What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Backdoor:Win32/Qakbot.T detection name means that your computer is in big danger. This computer virus can correctly be named as ransomware – virus which ciphers your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.
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Backdoor:Win32/Qakbot.T detection is a virus detection you can spectate in your system. It generally appears after the preliminary actions on your PC – opening the untrustworthy e-mail, clicking the banner in the Internet or mounting the program from unreliable resources. From the instance it shows up, you have a short time to act before it begins its harmful activity. And be sure – it is better not to wait for these malicious actions.

What is Backdoor:Win32/Qakbot.T virus?

Backdoor:Win32/Qakbot.T is ransomware-type malware. It searches for the files on your disks, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this malware additionally does a lot of damage to your system. It changes the networking settings in order to avoid you from reading the elimination guidelines or downloading the antivirus. In some cases, Backdoor:Win32/Qakbot.T can additionally block the setup of anti-malware programs.

Backdoor:Win32/Qakbot.T Summary

In total, Backdoor:Win32/Qakbot.T virus activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Unconventionial language used in binary resources: Russian;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the documents kept on the target’s disk drive — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a nightmare for the last 4 years. It is challenging to picture a more hazardous virus for both individual users and companies. The algorithms used in Backdoor:Win32/Qakbot.T (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy currently exists, and possibly will exist. However, that malware does not do all these terrible things instantly – it can take up to a few hours to cipher all of your files. Therefore, seeing the Backdoor:Win32/Qakbot.T detection is a clear signal that you have to start the clearing procedure.

Where did I get the Backdoor:Win32/Qakbot.T?

Usual ways of Backdoor:Win32/Qakbot.T distribution are standard for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a pretty new tactic in malware spreading – you receive the e-mail that simulates some regular notifications about shippings or bank service conditions modifications. Within the email, there is a malicious MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks pretty simple, but still demands a lot of focus. Malware can hide in various places, and it is far better to stop it even before it gets into your PC than to rely on an anti-malware program. Basic cybersecurity knowledge is just an important item in the modern world, even if your relationship with a computer remains on YouTube videos. That may save you a lot of time and money which you would certainly spend while seeking a solution.

Backdoor:Win32/Qakbot.T malware technical details

File Info:

name: B7B1D891AC564E67E885.mlw
path: /opt/CAPEv2/storage/binaries/fc9f351d0d2a8828c1ce329b71ad780615931905a65c14a4e1000eec2fa3caf4
crc32: 968CBAB6
md5: b7b1d891ac564e67e885d431d575f11a
sha1: 0ac5429f922c0b54d7c1d9ac1181a6ac5ee9a3bd
sha256: fc9f351d0d2a8828c1ce329b71ad780615931905a65c14a4e1000eec2fa3caf4
sha512: fc1fb10cfaa8e828aeec3a75f4bdaa5f2533f613b67263ee1b6dd5e068ebfd789e25bf8e4efd902a7152d9500a6f7297b0b64bfc5a66d5cbd6f16bf903e2dc5a
ssdeep: 768:CgUeefzFAwgHH2jW59C11mdi0xQeBl/GnDbzSqvphl3ek2:3rnt81Oi0tbsDbNphl3ek2
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T146435B8571E683A7E913FC70471D1F520E6126F60D332A380EEBC9BF229ADD56D0588B
sha3_384: 9a6d27819f639f9623a248e6a41fc9a61811632dfdc2a301c813aef727a3f80d2af060c0578e43e6acafc015353e5e4c
ep_bytes: 68c5decdc568d1d4d7cc5168dac4c100
timestamp: 2006-11-12 18:25:58

Version Info:

CompanyName: оЩэпЕТЭэвьаюТЪеьСДеГпКуХНВВзпиЫФИАаЬЬТй
FileDescription: ВееПфоКллшМАЦфСЧжюаАыуРУШГГИьБПфФРлядьцоИОБВСЕ
FileVersion: мЖЭЦхХдцывсКмаеЪуАСчЬУЖгОфЮШикЗРьив
InternalName: эйвцъщзгАюэиТьаЬхяьфнъЮЫдшЕРУщЖМОюйХмЦдФЕФ
LegalCopyright: аШеПрЗщжЬЮЗеКэЙьЮескЙОюДинНуДАЧъЪЩЕдтфшДпПОЮь
OriginalFilename: рЗфдоПУХщжигУДуязУяищукЧУюжхОчеЧЛбмМхюЪфТНЦЕьЯфеЙ
ProductName: шЪчУфлФсыщуэцЮКйеЪзТбыТЧцЩЮЕлЯяиЪр
ProductVersion: МЮсеЕМЗАЫвоЬЖмЭЦДзЮыШ
Translation: 0x0008 0x0000

Backdoor:Win32/Qakbot.T also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 00071a9a1 )
K7GWTrojan ( 00071a9a1 )
ESET-NOD32a variant of Win32/Kryptik.CPQ
AvastWin32:SuspBehav-N [Heur]
EmsisoftTrojan.Ransom.Cerber.1 (B)
VIPREBackdoor.Win32.Qakbot.gen.A (v)
SophosMal/Generic-R + W32/QakBot-K
CynetMalicious (score: 100)
MAXmalware (ai score=100)
RisingBackdoor.Qakbot!8.C7B (CLOUD)
SentinelOneStatic AI – Malicious PE
AVGWin32:SuspBehav-N [Heur]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Backdoor:Win32/Qakbot.T?

Backdoor:Win32/Qakbot.T malware is incredibly difficult to remove manually. It puts its documents in numerous places throughout the disk, and can restore itself from one of the elements. Furthermore, a range of modifications in the windows registry, networking configurations and Group Policies are quite hard to find and change to the initial. It is far better to use a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware elimination goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated nearly every hour. Furthermore, it does not have such problems and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for removing malware of any type.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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