What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Sf:VirLock-A detection usually means that your PC is in big danger. This computer virus can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Deleteing it requires some specific steps that must be done as soon as possible.
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Sf:VirLock-A detection is a virus detection you can spectate in your computer. It usually shows up after the preliminary actions on your computer – opening the suspicious email, clicking the advertisement in the Internet or installing the program from dubious resources. From the moment it shows up, you have a short time to act until it starts its harmful activity. And be sure – it is far better not to wait for these malicious effects.

What is Sf:VirLock-A virus?

Sf:VirLock-A is ransomware-type malware. It searches for the files on your disks, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a lot of damage to your system. It changes the networking settings in order to prevent you from reading the elimination guidelines or downloading the antivirus. In some cases, Sf:VirLock-A can also prevent the launching of anti-malware programs.

Sf:VirLock-A Summary

Summarizingly, Sf:VirLock-A virus actions in the infected system are next:

  • Sample contains Overlay data;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the documents kept on the target’s disk — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a horror story for the last 4 years. It is challenging to imagine a more harmful virus for both individual users and businesses. The algorithms utilized in Sf:VirLock-A (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy currently exists, and possibly will exist. However, that virus does not do all these horrible things without delay – it can require up to a few hours to cipher all of your documents. Hence, seeing the Sf:VirLock-A detection is a clear signal that you need to begin the clearing process.

Where did I get the Sf:VirLock-A?

Typical methods of Sf:VirLock-A injection are typical for all other ransomware examples. Those are one-day landing web pages where users are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a relatively new method in malware spreading – you receive the e-mail that simulates some normal notifications about shippings or bank service conditions updates. Inside of the email, there is a corrupted MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly uncomplicated, however, still needs tons of awareness. Malware can hide in different spots, and it is much better to stop it even before it gets into your PC than to depend on an anti-malware program. Essential cybersecurity knowledge is just an essential item in the modern-day world, even if your relationship with a computer stays on YouTube videos. That can save you a lot of time and money which you would certainly spend while searching for a solution.

Sf:VirLock-A malware technical details

File Info:

name: 131D0FE95202ED8A8136.mlw
path: /opt/CAPEv2/storage/binaries/2530be2fafc7f94d254f3bd5d82f9a92da37d9f541ee10becc54deafddfe5aae
crc32: 5630FEFA
md5: 131d0fe95202ed8a8136cd4b0b44dc60
sha1: 55cc42d66502b0e7576e58c8f955492ed29b2661
sha256: 2530be2fafc7f94d254f3bd5d82f9a92da37d9f541ee10becc54deafddfe5aae
sha512: 79eb253b55b83c2604f900d7b810dff4e40edb6e621d94867d553ede46bc826c9069158455c7e85cc2752a373219f792f73d020781da5095920c265159e8378e
ssdeep: 3072:6jMpd9PRBQ5dmx3dtO0cPlDJBF3lzjZOwT4zO7HYpk5/d9vDxQ:E6RBQ5d1rPpTF3zrTKO74pG1Q
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16D1408D7631030F9E6F68E79D6386A58A7207ED10B71CC52438AF57D122BB70EF606A0
sha3_384: 63b6dea2d5df1552da5ed5729e9233d3ca982796cb03ed6169621a813b616cb8212737d933c20c328128b4d154d81919
ep_bytes: bdf552f91c2facbbbd0ae85ae7457af9
timestamp: 1970-01-01 00:02:03

Version Info:

0: [No Data]

Sf:VirLock-A also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.131d0fe95202ed8a
CAT-QuickHeal Ransom.Conticrypt
McAfee Artemis!131D0FE95202
Malwarebytes Trojan.VirLock
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Virus ( 0040f99f1 )
K7GW Virus ( 0040f99f1 )
Cybereason malicious.95202e
BitDefenderTheta AI:Packer.C28CA5731E
Cyren W32/S-accd10d9!Eldorado
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Smokeloader_AGen.D
APEX Malicious
ClamAV Win.Virus.Virlock-6913184-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Trojan.Heur.FU.meX@am5bkkh
NANO-Antivirus Trojan.Win32.PolyRansom.exypia
MicroWorld-eScan Gen:Trojan.Heur.FU.meX@am5bkkh
Avast Sf:VirLock-A
Sophos Mal/Generic-S
F-Secure Trojan.TR/Crypt.XPACK.Gen
VIPRE Gen:Trojan.Heur.FU.meX@am5bkkh
TrendMicro Ransom_ContiCrypt.R03BC0DDU23
McAfee-GW-Edition BehavesLike.Win32.VirRansom.dc
Trapmine malicious.high.ml.score
Emsisoft Gen:Trojan.Heur.FU.meX@am5bkkh (B)
Ikarus Trojan.Agent
GData Win32.Trojan.PSE.1TP90X3
Avira TR/Crypt.XPACK.Gen
Xcitium Packed.Win32.Graybird.B@5hgpd5
Arcabit Trojan.Heur.FU.E799CA
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Ransom:Win32/ContiCrypt.LOD!MTB
Google Detected
AhnLab-V3 Trojan/Win32.Nabucur.C622804
Acronis suspicious
ALYac Gen:Trojan.Heur.FU.meX@am5bkkh
MAX malware (ai score=80)
Cylance unsafe
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_ContiCrypt.R03BC0DDU23
Rising [email protected] (RDML:3JQcwLUO1cKtjOsAlUNJNA)
Yandex Virus.Virlock.Gen.AAJ
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Virlock.E
AVG Sf:VirLock-A
DeepInstinct MALICIOUS

How to remove Sf:VirLock-A?

Sf:VirLock-A malware is incredibly hard to delete by hand. It puts its documents in a variety of locations throughout the disk, and can get back itself from one of the elements. Furthermore, numerous modifications in the windows registry, networking setups and also Group Policies are fairly hard to identify and revert to the original. It is better to make use of a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for malware elimination goals.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated just about every hour. Moreover, it does not have such problems and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for getting rid of malware of any form.

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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