Qof kasta oo waligiis ku dhacay fayras nidaamka kombayuutarkiisa wuu garanayaa sida uu walaacu u yeelan karo. Dhib maleh haddii aad leedahay barnaamij software ammaan oo horumarsan ama xooggan^{(advanced or strong security software)} , waxaa weli jirta suurtogalnimada in fayrasyadu ka gudbi karaan dhammaan difaacyadiisa, oo ay ku dhici karaan mashiinkaaga.

Qaar ka mid ah calaamadaha ugu caansan ee caabuqa fayraska ee suurtagalka ah ee kombuyuutarrada waxaa ka mid ah waxqabadka liidata ama gaabis^{(poor or slowed performance)} , PC akhlaaqdaran, qaboojinta kombiyuutarka ama shilalka codsiyada. Si kastaba ha ahaatee, kuwani had iyo jeer maaha kuwo ay sababaan fayrasyadu, sababtoo ah waxay noqon kartaa natiijo ka timid arrimo kale.

Ma jirto sabab keliya oo ku habboon oo aad tilmaami karto oo aad odhan karto waa shaqada fayraska ee kombiyuutarkaaga, ilaa aad dhab ahaantii iskaan-ka-saarto. Mararka qaarkood waxay keenaan dhibaatooyin, halka marar kalena ay si fiican u dhaqmaan laakiin weli waxay ka shaqeeyaan asalka.

Taasi waxay tidhi, haddii aad aragto dhammaan calaamadaha sheegidda oo mindhicirkaaga uu ku weydiiyo "Fayraska ma qabaa?", waxaanu eegi doonaa qaar ka mid ah calaamadaha waaweyn iyo kuwa yaryar si loo eego, iyo waxa la sameeyo. si aad fayraska uga saartid kombayutarkaaga oo lagu daray tallaabooyin ka hortag ah si looga hortago weerarrada mustaqbalka.

Waa maxay Virus-ka Kumbuyuutarku?^{(What Is a Computer Virus?)}

Fayraska kombuyuutarku waa software xaasidnimo ah^{(malicious software)} kaas oo ku dhega oo fuula codsiyada sharciga ah ee nidaamka kombayutarka si uu u soo saaro oo uu isu faafo. Waxa la hawlgeliyay iyadoo ujeedadu tahay in la xakameeyo iyo/ama waxyeelleeyo kombayutarkaga.

Fayrasyada kombuyuutarku^(Computer) waxay wadaagaan astaamo la mid ah fayrasyada noolaha siyaabo badan oo ay ku jiraan sida ay uga gudbaan kombuyuutar kale^{(pass from one computer to another)} , iyo piggyback on faylalka kale ama barnaamijyada la bilaabayo, iyo sifooyin kale.

Maalin kasta, Virus cusub ayaa la qoraa^{(Every day, a new virus is written)} iyadoo ujeedadu tahay in lagu waxyeeleeyo dadka caadiga ah ee adiga oo kale ah oo ka daalacanaya mareegaha iyaga oo isticmaalaya kombayutarkooda, iyagoo iska iloobaya khatarta ku dhex dhuumanaysa.

Hackers iyo scammers sidoo kale waxay noqdeen kuwo si caqli-gal ah oo khiyaano badan, iyagoo si caqli-gal ah u qarinaya hanjabaadooda sida hal gujin ay isla markiiba kaa dhigi karto dhibane fayraska kombiyuutarka.

Waxay si fudud u qoraan koodka fayraska, ka dibna tijaabi si ay u hubiyaan inuu si sax ah u faafo ka hor intaanay sii dayn si uu u burburiyo nidaamyada kombiyuutarka iyo qalabka kale. Waxay sidoo kale naqshadeeyaan wejiga weerarka, kaas oo yeelan kara qaabab kala duwan.

Qaarkood waxay u sameeyaan farxad si ay u arkaan sida wax u qarxaan, qaar kalena waxay rabaan xuquuqda faanista, halka qaar ay ugu jiraan qabowga, lacag caddaan ah oo adag oo ay heli karaan marka lagugu khiyaaneeyo iibsashada software been abuur ah, ama la wadaago shakhsigaaga. macluumaadka, kuwaas oo ay isticmaalaan si ay u xadaan lacagtaada.

Sida uu u shaqeeyo Virus-ka Kumbiyuutarka^{(How a Computer Virus Works)}

Si la mid ah sida uu hargabku u waxyeeleeyo oo uu ugu bato habka difaaca jidhkaaga, ayaa fayraska kombuyuutarku ku dhex galaa mashiinkaaga iyo barnaamijyadiisa. Barnaamijyada xaasidnimada ah ee noocan oo kale ah ayaa lagu rakibi karaa qalabkaaga adiga oo aan ogolaansho ama aqoon, waxayna ku duri karaan kood xaasidnimo ah oo wax ka qaban kara oo la socon kara dhaqdhaqaaqaaga shabakada.

Guud ahaan, fayrasku waxa uu qaataa koorsada soo socota marka uu waxyeeleynayo kombuyuutarkaaga: codsiga xaasidnimada ah waxa uu fuliyaa codsiga isticmaalaha, koodhka fayraska ayaa lagu shubaa xusuusta CPU ee kombiyuutarka wax^{(loaded into the computer’s CPU memory)} yar ka hor inta aan la fulin koodka sharciga ah.

Marka ay taasi dhacdo, fayrasku wuxuu bilaabaa inuu faafiyo isagoo ku faafaya barnaamijyada iyo codsiyada kumbuyuutarka wuxuuna geliyaa kood xaasidnimo ah intii suurtagal ah.

Iyada oo ku xidhan haddii uu fayrasku ku jiro kombiyuutarkaaga iyo in kale, ama uu yahay fayraska qaybta boot, wuxuu geli karaa kood xaasidnimo ah barnaamijyada marka ay furaan, faylasha la fulin karo, ama qaybta boot ee diskka nidaamka sida uu fuliyo ka hor nidaamkaaga hawlgalka. si buuxda u raran yahay.

Halkaa marka ay marayso, waxa ay fulin doontaa koodhka fayraska, kaas oo uu sameeyayhu u dhisay, oo sidoo kale loo yaqaan mushaharka. Waxay markaa ka baadhaysaa dariiqa adag ee kombayutarkaga^{(scans your computer’s hard drive)} dhamaan noocyada kala duwan ee ay ku jiraan furahaaga^{(your keystrokes)} , aqoonsiga bangiga, ama waxay mashiinkaaga u beddeshaa hub loogu talagalay weerarada DDoS ee^{(DDoS attacks )} ka dhanka ah kuwa kale. Weeraryahanku waxa uu u isticmaali karaa si uu u xafido xogtaada oo uu u dalbado madax furasho si loogu soo celiyo gelitaanka faylashaada iyo xogtaada.

Inta lagu guda jiro maalmaha intarneedka ka hor, fayrasyadu waxay ku faafi karaan floppy-ga cudurka qaba ama flash disks, laakiin maanta, waxay ku faafi karaan internetka, ama kombuyuutar ilaa kombuyuutar iyagoo isticmaalaya code-ka fayraska. Waxa kale oo ay ku faafi karaan lifaaqyada iimaylka^{(email attachments)} , abka, ama soo dejinta kaydka cudurka qaba.

Calaamadaha digniinta ah ee sheegaya in aad Virus-ka ku hayso Computer-kaaga^{(Warning Signs That You Have a Virus on Your Computer)}

Waxa jira noocyo badan oo kala duwan oo fayrasyo^{(different types of viruses)} ​​ah oo loo kala saaray si kala duwan iyadoo lagu salaynayo hab-dhaqankooda, taas oo macnaheedu yahay qaar ku dhici karaan hal ama dhawr qaybood. Haddii aad si xooggan u dareemayso in kombuyuutarku uu leeyahay fayras laakiin aanad si cad u garan karin in uu dhaafay difaacyada software-kaaga, halkan waxa ah calaamado digniin ah oo sheegaya in aad Virus-ku ku jirto kombayutarkaga.

Kumbuyuutar gaabis ah

Haddii kombayutarkaagu uu gaabis u yahay inuu bootiyo ama furo barnaamijyada, waxay u badan tahay inuu haleelay fayras. Waxaa jira dhowr arrimood oo saameyn kara waxqabadka kombiyuutarkaaga, laakiin fayrasku waa kan ugu walaacsan sababtoo ah noocyada qaar ayaa u oggolaanaya kuwa weeraraya inay u adeegsadaan awooddooda ujeedooyinkooda sharci darrada ah sida macdanta crypto ama fulinta weerarka DDoS , kuwaas oo dhammaantood saameeya waxqabadkiisa.

Akhlaaqda taageeraha ee random ama qariib

Taageerayaasha ku jira kombayutarkaagu waxay caawiyaan inay soo jiidaan hawo qabow iyagoo ku saaraya hawo diiran kiiskii kombayutarka, oo waxay ku laadanayaan wadista xad dhaafka ah inta lagu jiro hawlaha kheyraadka leh sida ciyaaraha. Si kastaba ha ahaatee, haddii aad dareento dabeecad la yaab leh taageerayaasha^{(strange behavior with the fans)} , waxay noqon kartaa calaamad muujinaysa infekshanka fayras, gaar ahaan haddii taageerayaashu ay ku wareegaan ugu badnaan xitaa marka kombuyuutarku uu shaqaynayo, ama uu si aan caadi ahayn u kululaado.

Shilalka Kombiyuutarka ee Soo noqnoqda

Tani, oo ay weheliso shaashadda buluuga ah ee dhimashada , waxay muujin kartaa jiritaanka fayraska ama dhibaatada kombiyuutarkaaga. Ma fududa in la tilmaamo sababta saxda ah mar mar waxaa laga yaabaa inay sabab u tahay kulayl badan, dhibaatooyinka darawalka, arrimaha qalabka ama khaladaadka nidaamka hawlgalka.

Xidhiidhka Internetka oo gaabis ah

Tan waxaa badanaa loo aaneeyaa fayrasyada iyo malware, kuwaas oo afduubi kara isku xirkaaga oo u isticmaali kara xargahaaga hawlo kale. Haddii aad dareento in xidhiidhkaagu uu gaabis yahay ama uu jiro dhaqdhaqaaq shabakad sare oo aan caadi ahayn^{(connection is slow or there’s unusual high network activity)} , waxa ay noqon kartaa in kombayutarkaagu leeyahay fayras. Mararka qaarkood waxaad lumin kartaa xiriirkaaga gebi ahaanba.

Kordhinta Browser-ka yaabka leh ee^{(Strange Browser Extensions)} aadan rakibin^(Install)

Haddii aad aragto browser cusub oo u muuqda mid qariib ah, oo aanad dib u xasuusan in aad rakibtay, kombayutarkaagu waxa uu yeelan karaa fayras. Kordhinta qaar waa sharci oo faa'iido leh , laakiin kuwa kale waxay ururin karaan xogtaada shakhsi ahaaneed oo ay ka iibin karaan qolo saddexaad, ama waxay gelin karaan nidaamkaaga khatar.

Jihaynta browserka

Dib-u-dejintu waxay ku badan tahay infekshannada fayraska, gaar ahaan haddii aad ku dhammaato boggaga aanad damacsanayn inaad booqato. Goobaha noocan oo kale ah waxaa badanaa lagu dhejiyaa malware, waxaana loo isticmaalaa sida meelo lagu ururiyo macluumaadka shakhsi ahaaneed ee isticmaalayaasha aan shaki lahayn, ama xitaa ku dhiirigeliya inay soo dejiyaan software xaasidnimo badan. Mararka qaarkood waxaa loo isticmaalaa in lagu kaxeeyo taraafikada goobahaas oo kale, taas oo ka caawinaysa dambiilayaasha internetka inay lacag badan ka helaan muuqaalada xayeysiiska.

Kordhinta Soo noqnoqoshada Xayeysiisyada Popup Ee Ka ^{(Popup Ads Appearing)}Soo^(Your) Muuqda Shaashadaada

Haddii aad si lama filaan ah u bilowdo inaad aragto xayaysiisyada soo booda ee aan ka ahayn inta jeer ee caadiga ah, ama bogga hore ee biraawsarkaaga uu isbedelo oo waayo-aragnimadu hoos u dhacdo, kombuyuutarkaaga waxaa ku dhici kara fayras. Qaar ka mid ah barnaamijyada aan la rabin waxay inta badan la yimaadaan adware taas oo ka faa'iidaysata fursadan si ay u muujiyaan xayeysiisyada popup-ka ee aan loo baahnayn ee ku saabsan hababka degdega ah ee hodanka ah, miisaan lumis, iyo digniinaha kale ee fayraska xishoodka ah.

Dhaqanka Akoonka Baraha Bulshada Aan Joogtada Ahayn^{(Social Media Account Behavior)}

Tani waa calaamad kale oo caadi ah oo ku saabsan in kombuyuutarkaaga uu leeyahay fayras, marka saaxiibbadaa ay bilaabaan inay helaan farriimaha spamka ah adiga oo la sheegay in lagaa soo diray. Waxay ka heli karaan farriimo qariib ah ama faallooyin ah akoonkaaga, taas oo noqon karta calaamad muujinaysa in la jabsaday, ama kombuyuutarkaaga uu cudurka qabo.

Software-ka ammaanku uma shaqayn doono ama uma shaqayn doono si sax^(Work) ah

Kombuyuutarkaaga fayraskiisa iyo software-^{(antivirus and security software)} ka badbaadada ayaa ka caawiya ka ilaalinta malware-ka cusub ee soo baxa maalinti. Si kastaba ha ahaatee, noocyada qaarkood ayaa gabyi kara oo ka joojinaya in ay socdaan baaritaannada ama cusbooneysiinta, taas oo ah calaamad muujinaysa fayrasyada ku jira nidaamka kombiyuutarkaaga.

Haddii aad dareento in fayrasku u dhaqmayo si ka duwan sidii caadiga ahayd, ama aad hesho farriimaha digniinta ah ee ku saabsan nidaamka oo aan la ilaalin, waxaad la tacaalaysaa fayras.

Sida Looga Saaro Virus-ka Kumbuyuutarkaaga Ugana Hortago Caabuqa Mustaqbalka^{(How to Remove Viruses From Your Computer and Prevent Future Infections)}

Ma fududa in fayraska laga saaro kombiyuutarkaaga, laakiin waxaad isticmaali kartaa qaar ama dhammaan xalalka iyo tallaabooyinka hoos ku taxan si aad nidaamkaaga u nadiifiso oo aad ugu soo celiso xaaladdii caadiga ahayd:

1. Xir^(Close) codsiyada aan loo baahnayn ee cuna ilaha oo sababa in taageerayaashaadu ay dedejiyaan. Hubi inay ku soo noqdeen xawaaraha caadiga ah.
2. Hubi^(Check) wixii ogaysiis ah ee ka imanaya Difaaca Difaaca Windows ee^{(Windows Defender Security)} ku saabsan in fayraskaagu naafo yahay iyo in kale, oo iska hubi xalalka la soo jeediyay Dib u billow^(Restart) PC-gaaga si aad dib ugu hawlgeliso software-ka ka-hortaggaaga maadaama mararka qaarkood nidaamka hawlgalka iyo cusboonaysiinta softiweerku ay saamayn karaan shaqadiisa.
3. Ka bax akoonnada la jabsaday ee ku jira kumbuyuutarkaaga iyo aaladaha kale
4. Ka baadh kumbuyuutarkaaga malware-ka^{(Scan your computer for malware)} . Haddii aad leedahay Windows Defender Security oo aanu calaamadin faylalka ama barnaamijyada fayraska, isku day inaad isticmaashid noocyo kala duwan oo software ka-hortagga maadaama mid walba uu leeyahay kaydka xogta saxeexa fayraska. Sidoo kale waa hab wanaagsan oo lagu arko waxa socda iyadoo la saxsan yahay.
5. Ku rakib barowsar ka-hortagga phishing-ka si aad uga joojiso goobaha khatarta ah inay soo shubaan marka lagu jiheeyo. Ka saar wax kordhinta noocaas ah oo aanad markii hore rakibin.

Tallaabooyinka kale ee aad qaadi karto si aad uga hortagto weerarrada mustaqbalka waxaa ka mid ah beddelidda furahaaga sirta ah^{(changing your passwords)} , awood u siinta xaqiijinta laba-factor , hubinta mid kasta oo ka mid ah waxyaabaha aad soo dejisay ka hor inta aysan gelin nidaamkaaga, iyo rakibida software ammaan oo la isku halayn karo^{(reliable security software)} oo ay weheliso xayaysiisyo^{(good ad blocker)} wanaagsan oo khibrad baadhiseed oo wanaagsan.

HDG Explains : Do I Have a Virus? Here Are The Warning Signs

Anyone who has ever had a virus in their computеr system knоws how stressful it can be. It doesn’t matter whether you have an advanced or strong security software program, there’s still a possibility that viruses can get past all its defenses, and infect your machine.

Some of the most common symptoms of a possible virus infection in computers include poor or slowed performance, a misbehaving PC, computer freezing or application crashes. However, these aren’t always necessarily caused by viruses, as it could be a result of other factors.

There’s no one-size-fits-all cause that you can pinpoint and say it’s the work of a virus in your computer, until you actually scan it. Sometimes they cause problems, while other times they behave well but still work in the background.

That said, if you’re seeing all the telltale signs and your gut has you asking “Do I have a virus?”, we’re going to look at some of the major and minor signs to look out for, and what to do to remove the virus from your computer plus prevention measures to prevent future attacks.

What Is a Computer Virus?

A computer virus is malicious software that latches onto and rides on legit application codes in your computer system to reproduce and spread itself. It is deployed with the intention of taking control of and/or damaging your computer.

Computer viruses share similar traits to biological viruses in many ways including how they pass from one computer to another, and piggyback on other files or programs to launch, among other traits.

Every day, a new virus is written with the intention of harming regular people like you who browse the web using their computers, oblivious of the dangers that lurk therein.

Hackers and scammers too have become sneakier and trickier, cleverly masking their threats such that a single click can instantly render you a victim of a computer virus.

They simply write the code for the virus, and then test it to ensure it spreads properly before releasing it to wreak havoc on computer systems and other devices. They also design the attack phase, which can take different forms.

Some do it for the thrill of it to see how things blow up, others just want the bragging rights, while some are in it for the cold, hard cash they can get when you’re tricked into buying fake software, or sharing your personal information, which they use to steal your money.

How a Computer Virus Works

In the same way the flu infects and multiplies in your body’s immune system, a computer virus infiltrates your machine and its programs. Such malicious programs can be installed on your device without your consent or knowledge, and can inject malicious code that can manipulate and monitor your activity on the web.

Generally, a virus takes the following course when infecting your computer: the malicious application executes at the user’s request, and the virus code gets loaded into the computer’s CPU memory just before executing the legitimate code.

Once that happens, the virus begins to propagate by infecting your computer’s programs and applications and inserts malicious code as much as possible.

Depending on whether the virus resides in your computer or not, or it’s a boot sector virus, it can insert malicious code to programs as they open, executable files, or in the boot sector of the system disk such that it executes before your operating system loads fully.

At this point, it’ll execute the virus code, which its creator built it for, also known as payload. It then scans your computer’s hard drive for all sorts of things including your keystrokes, banking credentials, or turns your machine into a weapon for DDoS attacks against others. The attacker can use it to encrypt your data and demand ransom in exchange for restored access to your files and data.

During the pre-internet days, viruses spread via infected floppy or flash disks, but today, they can spread via the internet, or from computer to computer through virus code. They can also spread through email attachments, apps, or downloads from an infected repository.

Warning Signs That You Have a Virus on Your Computer

There are many different types of viruses categorized differently based on their behavior, which means some can fall into one or more categories. If you strongly feel your computer could have a virus but can’t quite tell whether it slipped past your security software’s defenses, here are some warning signs that tell you have a virus on your computer.

Slow Computer

If your computer is slow to boot or open programs, it’s likely that it’s infected with a virus. There are several factors that could affect your computer’s performance, but a virus is the most concerning because some types allow attackers to use its power for their own illegal purposes like mining crypto or carrying out a DDoS attack, all of which affect its performance.

Random Or Strange Fan Behavior

The fans in your computer help draw cool air while expelling warm air into the computer’s case, and kick into overdrive during resource-intensive tasks like gaming. However, if you notice strange behavior with the fans, it could be a sign of a virus infection, especially if the fans spin at maximum revs even when the computer is idle, or it gets abnormally hot.

Frequent Computer Crashes

This, coupled with the blue screen of death, could indicate the presence of a virus or problem with your computer. It’s not easy to pinpoint the exact cause as sometimes it could be due to overheating, driver problems, hardware issues or errors with the operating system.

Slow Internet Connection

This is often attributed to viruses and malware, which can hijack your connection and use your bandwidth for other activities. If you notice your connection is slow or there’s unusual high network activity, it could be that your computer has a virus. Sometimes you can lose your connection altogether.

Strange Browser Extensions You Didn’t Install

If you see new browser extensions that look strange, and that you don’t recall ever installing, your computer could be having a virus. Some extensions are legit and useful, but others can collect your personal data and sell it to a third party, or put your system at risk.

Browser Redirects

Redirects are common with virus infections, especially if you end up on sites you didn’t intend to visit. Such sites are usually laced with malware, and are used as dens for collecting personal information from unsuspecting users, or even encourage them to download more malicious software.  Sometimes they’re used to drive traffic to such sites, in turn helping the cybercriminals make more money from ad impressions.

Increased Frequency Of Popup Ads Appearing On Your Screen

If you suddenly start seeing popup ads other than the usual frequency, or your browser’s homepage changes and the experience is slower, your computer could be infected with a virus. Some unwanted programs usually come with adware that leverages this opportunity to display unnecessary popup ads on get rich quick schemes, weight loss, and other phony virus warnings.

Irregular Social Media Account Behavior

This is another common sign that your computer has a virus, when your friends start receiving spam messages purportedly from you. They can get strange messages or comments from your account, which could be a sign that it has been compromised, or your computer is infected.

Security Software Won’t Run Or Doesn’t Work Properly

Your computer’s antivirus and security software helps protect it against the new malware that emerge by the day. However, some strains can disable it and stop it from running scans or updating, which is a telltale sign of viruses in your computer’s system.

If you notice the antivirus on your computer behaves differently from the norm, or you get warning messages about the system being unprotected, you could be dealing with a virus.

How to Remove Viruses From Your Computer and Prevent Future Infections

It’s not that easy to remove a virus from your computer, but you can use some or all of the solutions and measures listed below to cleanse your system and restore it to normalcy:

1. Close unnecessary applications that consume resources and cause your fans to speed up. Check if they return to normal speed.
2. Check for any notifications from Windows Defender Security as to whether your antivirus is disabled, and check for suggested solutions Restart your PC to re-enable your antivirus software as sometimes operating system and software updates can affect its functionality.
3. Sign out from any compromised accounts on your computer and other devices
4. Scan your computer for malware. If you have Windows Defender Security and it doesn’t flag files or programs with the virus, try using a variety of antivirus software as they each have their own virus signature databases. It’s also a good way of seeing what’s going on with better accuracy.
5. Install an anti-phishing browser extension to stop dangerous sites from loading when you get redirected. Uninstall any such extensions that you didn’t install in the first place.

Other measures you can take to prevent future attacks include changing your passwords, enabling two-factor authentication, checking any of your downloads before they get into your system, and installing reliable security software plus a good ad blocker for a better browsing experience.

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