What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:MSIL/Vigorf.A detection means that your system is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some unusual steps that must be done as soon as possible.
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Ransom:MSIL/Vigorf.A detection is a virus detection you can spectate in your computer. It generally shows up after the provoking procedures on your computer – opening the untrustworthy e-mail messages, clicking the banner in the Internet or mounting the program from suspicious resources. From the instance it shows up, you have a short time to act before it begins its malicious activity. And be sure – it is much better not to wait for these harmful actions.

What is Ransom:MSIL/Vigorf.A virus?

Ransom:MSIL/Vigorf.A is ransomware-type malware. It looks for the files on your disk, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware additionally does a lot of harm to your system. It changes the networking setups in order to prevent you from checking out the elimination manuals or downloading the anti-malware program. In rare cases, Ransom:MSIL/Vigorf.A can additionally prevent the launching of anti-malware programs.

Ransom:MSIL/Vigorf.A Summary

In total, Ransom:MSIL/Vigorf.A malware actions in the infected system are next:

  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Ciphering the documents located on the victim’s disks — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is challenging to imagine a more harmful malware for both individuals and corporations. The algorithms used in Ransom:MSIL/Vigorf.A (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually exists, and possibly will exist. However, that virus does not do all these horrible things without delay – it may require up to several hours to cipher all of your documents. Therefore, seeing the Ransom:MSIL/Vigorf.A detection is a clear signal that you have to start the elimination process.

Where did I get the Ransom:MSIL/Vigorf.A?

Typical ways of Ransom:MSIL/Vigorf.A injection are typical for all other ransomware variants. Those are one-day landing web pages where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait e-mails are a pretty new method in malware spreading – you receive the email that simulates some routine notifications about deliveries or bank service conditions updates. Within the email, there is a malicious MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks pretty easy, but still requires a lot of attention. Malware can hide in different spots, and it is far better to stop it even before it gets into your system than to rely on an anti-malware program. General cybersecurity knowledge is just an important item in the modern-day world, even if your interaction with a computer stays on YouTube videos. That can keep you a lot of money and time which you would certainly spend while seeking a fixing guide.

Ransom:MSIL/Vigorf.A malware technical details

File Info:

name: 2B77BBF25D245E1C577B.mlw
path: /opt/CAPEv2/storage/binaries/c46fb584d736c90dc224c8830a03ec5fc46100b5e124ecb6a08336e785c73c7f
crc32: 20A7F00C
md5: 2b77bbf25d245e1c577be9113e9c6d1f
sha1: de9509181855db7c449b8062c56aa98837c4f5dc
sha256: c46fb584d736c90dc224c8830a03ec5fc46100b5e124ecb6a08336e785c73c7f
sha512: 5d4ecaff00d685a000374a0d288cc1021776f558009c7273d0d0c062d2a251a7c8f5bf0c303d7acfea2d5fa722f3d922ba116fab93e5fc7aa1033d3ec61f2ca3
ssdeep: 384:9j1Y1ZSVxL9+nokwKwAiAn9kBKpojRKFZNexkkkkkkkXyEFMri79qsmcM9t+ja0g:9RSZcbBKpMQFZ7ymL79Vmc0ua0WzOO
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T159C239043AF84729D5BFABBA69B257405FB2F586AC74CB1E1D80014E2351784C9A3FA3
sha3_384: a83a50c4ae7f1cb6b021f7811dfd03617b8d56667e539b258c26ad984a9ecf9ac52f3be41fd26c5421323c06debf99ca
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-07-16 10:25:13

Version Info:

Translation: 0x0000 0x04b0
FileDescription: NominatusCrypt
FileVersion: 1.0.8232.4356
InternalName: NominatusCrypt.exe
LegalCopyright: Copyright 2022
OriginalFilename: NominatusCrypt.exe
ProductName: NominatusCrypt
ProductVersion: 1.0.8232.4356
Assembly Version: 1.0.8232.4356

Ransom:MSIL/Vigorf.A also known as:

Bkav W32.AIDetectNet.01
Lionic Trojan.MSIL.DelShad.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
McAfee RDN/Ransom
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.25161
Sangfor Ransom.Msil.Delshad.V37y
K7AntiVirus Trojan ( 00595c7d1 )
Alibaba Trojan:MSIL/DelShad.222d38ee
K7GW Trojan ( 00595c7d1 )
Cybereason malicious.25d245
Cyren W32/ABRisk.UMUU-6934
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Filecoder.ASQ
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.MSIL.DelShad.gen
BitDefender Gen:Heur.Ransom.HiddenTears.1
NANO-Antivirus Trojan.Win32.DelShad.jqpcpo
MicroWorld-eScan Gen:Heur.Ransom.HiddenTears.1
Avast Win32:PWSX-gen [Trj]
Rising Ransom.Agent!8.6B7 (CLOUD)
Ad-Aware Gen:Heur.Ransom.HiddenTears.1
Emsisoft Gen:Heur.Ransom.HiddenTears.1 (B)
VIPRE Gen:Heur.Ransom.HiddenTears.1
TrendMicro TROJ_GEN.R002C0WGI22
McAfee-GW-Edition RDN/Ransom
FireEye Gen:Heur.Ransom.HiddenTears.1
Ikarus Trojan-Ransom.FileCrypter
GData Gen:Heur.Ransom.HiddenTears.1
Avira TR/Redcap.ajtcx
Antiy-AVL Trojan/Generic.ASMalwS.53F4
Arcabit Trojan.Ransom.HiddenTears.1
Microsoft Ransom:MSIL/Vigorf.A
Google Detected
AhnLab-V3 Trojan/Win.Generic.C5210651
MAX malware (ai score=82)
Malwarebytes Malware.AI.3351564927
TrendMicro-HouseCall TROJ_GEN.R002C0WGI22
Tencent Msil.Trojan.Delshad.Yylw
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Filecoder.ASQ!tr.ransom
BitDefenderTheta Gen:NN.ZemsilF.34682.bm0@aiNrTOj
AVG Win32:PWSX-gen [Trj]
Panda Trj/Chgt.AB
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom:MSIL/Vigorf.A?

Ransom:MSIL/Vigorf.A malware is incredibly hard to erase manually. It stores its documents in numerous places throughout the disk, and can get back itself from one of the elements. Additionally, various alterations in the registry, networking settings and also Group Policies are fairly hard to discover and return to the original. It is much better to make use of a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus removal reasons.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated just about every hour. Additionally, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for clearing away malware of any kind.

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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