Ransom:MSIL/PenTera.F!MSR Virus Removal

Seeing the Ransom:MSIL/PenTera.F!MSR detection usually means that your computer is in big danger. This virus can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some specific steps that must be taken as soon as possible.

Ransom:MSIL/PenTera.F!MSR detection is a virus detection you can spectate in your computer. It frequently shows up after the preliminary procedures on your computer – opening the untrustworthy email, clicking the banner in the Internet or mounting the program from dubious sources. From the second it appears, you have a short time to do something about it until it starts its harmful action. And be sure – it is better not to await these malicious actions.

What is Ransom:MSIL/PenTera.F!MSR virus?

Ransom:MSIL/PenTera.F!MSR is ransomware-type malware. It searches for the documents on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a ton of damage to your system. It alters the networking settings in order to avoid you from reading the elimination guidelines or downloading the antivirus. In rare cases, Ransom:MSIL/PenTera.F!MSR can additionally stop the launching of anti-malware programs.

Ransom:MSIL/PenTera.F!MSR Summary

Summarizingly, Ransom:MSIL/PenTera.F!MSR virus actions in the infected PC are next:

  • Authenticode signature is invalid;
  • Anomalous .NET characteristics;
  • Ciphering the files kept on the victim’s disks — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a horror story for the last 4 years. It is hard to realize a more dangerous malware for both individual users and companies. The algorithms used in Ransom:MSIL/PenTera.F!MSR (usually, 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 actually exists, and possibly will exist. But that virus does not do all these unpleasant things instantly – it may take up to a few hours to cipher all of your files. Therefore, seeing the Ransom:MSIL/PenTera.F!MSR detection is a clear signal that you need to start the elimination process.

Where did I get the Ransom:MSIL/PenTera.F!MSR?

Standard methods of Ransom:MSIL/PenTera.F!MSR spreading are basic for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait emails and hacktools. Bait e-mails are a quite modern tactic in malware distribution – you receive the e-mail that simulates some normal notifications about shipments or bank service conditions changes. Inside of the email, there is an infected 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 easy, however, still requires a lot of awareness. Malware can hide in different spots, and it is better to prevent it even before it goes into your computer than to rely upon an anti-malware program. Standard cybersecurity knowledge is just an essential thing in the modern world, even if your interaction with a computer stays on YouTube videos. That may keep you a lot of money and time which you would spend while looking for a fix guide.

Ransom:MSIL/PenTera.F!MSR malware technical details

File Info:

name: DB5C903895E31F4819FF.mlwpath: /opt/CAPEv2/storage/binaries/5b5fe2b264f0daa5b9f738371bb20d815289a5a7836ef3e08fef133c36d57ab2crc32: 9E89BA60md5: db5c903895e31f4819ff0983e0292829sha1: 1aafd47506505368e2f835d9066c65f7d87aea86sha256: 5b5fe2b264f0daa5b9f738371bb20d815289a5a7836ef3e08fef133c36d57ab2sha512: 3ac9c53fbdf49de3b9dd15b481615d17fd95b899762978ef6d225f5bb041d6a5f15c242daf89d6f5cbc012f3b56545aa9d089b9f1dfaf20a38ea7c9c957da00fssdeep: 24576:8cKKQUOa6KqxW9dkkCiX2QZEfZTBQoKdMiQvNobs3:8b/xWkDM2QqQj0vtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T141455A823FC1990BCA6F4F7698A25210E7F4E845A747F74B6C8173EC2C463AC9D461E6sha3_384: fba95c1b4006e5df87c839490221eb69597bed491fd23409dfe05eed15ba9b9cc5c1dda832b0640c36b81faaf38eb7d2ep_bytes: ff250020400000000000000000000000timestamp: 2023-05-18 14:44:57

Version Info:

Translation: 0x0000 0x04b0FileDescription: FileVersion: 0.0.0.0InternalName: PenterWare.exeLegalCopyright: OriginalFilename: PenterWare.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

Ransom:MSIL/PenTera.F!MSR also known as:

MicroWorld-eScan Gen:Heur.Ransom.REntS.Gen.1
ClamAV Win.Ransomware.Conti-9826703-0
ALYac Gen:Heur.Ransom.REntS.Gen.1
VIPRE Gen:Heur.Ransom.REntS.Gen.1
K7AntiVirus Trojan ( 005956f01 )
K7GW Trojan ( 005956f01 )
Cybereason malicious.895e31
Cyren W32/A-8f5775ec!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Agent.VOK
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.MSIL.Agent.gen
BitDefender Gen:Heur.Ransom.REntS.Gen.1
Avast Win32:MalwareX-gen [Trj]
Emsisoft Gen:Heur.Ransom.REntS.Gen.1 (B)
F-Secure Heuristic.HEUR/AGEN.1305750
McAfee-GW-Edition BehavesLike.Win32.Generic.th
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.db5c903895e31f48
Ikarus Trojan.MSIL.Agent
GData Gen:Heur.Ransom.REntS.Gen.1
Avira HEUR/AGEN.1305750
Arcabit Trojan.Ransom.REntS.Gen.1
ZoneAlarm HEUR:Trojan.MSIL.Agent.gen
Microsoft Ransom:MSIL/PenTera.F!MSR
Google Detected
AhnLab-V3 Trojan/Win.Generic.R491781
MAX malware (ai score=81)
Malwarebytes Generic.Malware.AI.DDS
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.VOK!tr.ransom
BitDefenderTheta Gen:NN.ZemsilF.36662.ln0@a8sxnFn
AVG Win32:MalwareX-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Ransom:MSIL/PenTera.F!MSR?

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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