Virus:MSIL/Grenam!A

Seeing the Virus:MSIL/Grenam!A malware detection usually means that your PC is in big danger. This virus can correctly be named as ransomware – virus which encrypts your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.

Virus:MSIL/Grenam!A detection is a malware detection you can spectate in your computer. It often appears after the preliminary actions on your computer – opening the suspicious email, clicking the advertisement in the Web or installing the program from dubious resources. From the moment it appears, you have a short time to take action until it begins its malicious activity. And be sure – it is better not to await these malicious effects.

What is Virus:MSIL/Grenam!A virus?

Virus:MSIL/Grenam!A is ransomware-type malware. It searches for the files on your disk drive, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus additionally does a ton of damage to your system. It alters the networking settings in order to avoid you from checking out the elimination manuals or downloading the antivirus. In some cases, Virus:MSIL/Grenam!A can also block the setup of anti-malware programs.

Virus:MSIL/Grenam!A Summary

Summarizingly, Virus:MSIL/Grenam!A ransomware activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • At least one process apparently crashed during execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • Enumerates the modules from a process (may be used to locate base addresses in process injection);
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Injection (inter-process);
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the files kept on the victim’s disks — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a nightmare for the last 4 years. It is hard to picture a more damaging malware for both individuals and corporations. The algorithms utilized in Virus:MSIL/Grenam!A (generally, 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 already exists, and possibly will exist. But that malware does not do all these bad things without delay – it may take up to a few hours to cipher all of your documents. Therefore, seeing the Virus:MSIL/Grenam!A detection is a clear signal that you must begin the removal process.

Where did I get the Virus:MSIL/Grenam!A?

Routine methods of Virus:MSIL/Grenam!A injection are common for all other ransomware variants. Those are one-day landing web pages where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a pretty new method in malware spreading – you get the e-mail that simulates some routine notifications about shippings or bank service conditions changes. Inside of the email, there is a corrupted MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly uncomplicated, but still requires a lot of focus. Malware can hide in various places, and it is better to stop it even before it goes into your computer than to rely on an anti-malware program. Common cybersecurity awareness is just an essential thing in the modern-day 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.

Virus:MSIL/Grenam!A malware technical details

File Info:

name: 38D673EB558674636522.mlwpath: /opt/CAPEv2/storage/binaries/63976c947e6dce7dcbcec57f1dbfa02780587972e0efb81b8fb70c1ef3dc731ccrc32: 4D4E8B9Bmd5: 38d673eb5586746365222715db4eedcbsha1: 982e07ca80c45140c6131c2762b80a934dd73586sha256: 63976c947e6dce7dcbcec57f1dbfa02780587972e0efb81b8fb70c1ef3dc731csha512: 633be851b608e8eb9f857d3caae155c1e0dae17608bae913f5a565e50a86fb3f91d43ab799efacc3ef6a6b0f444dddb09fe454249c25c6d75da6b47b233fda56ssdeep: 3072:OQc01zAf6QGkBIO20ZRfvBD3U4UUU3UUUdW9SnsGBFevAzL:OQcygYkBIOFPHxU4UUU3UUUs9rOAYztype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17EE39D146BCCCEAAD29E07B8D07242F547B5ED66E506D34F2DD8BCF938363804A512A7sha3_384: 825a6bafa63e56ceb6857f3e8eca6a8c97902a1690eabf48d392342728ca5c40f620f61a507534ac4a1b21e0146cb944ep_bytes: ff250020400000000000000000000000timestamp: 2012-06-02 12:12:48

Version Info:

CompanyName: Microsoft CorporationFileDescription: Microsoft Security Client Policy Configuration ToolFileVersion: 4.18.18362.1 (WinBuild.160101.0800)InternalName: ConfigSecurityPolicy.exeLegalCopyright: © Microsoft Corporation. All rights reserved.OriginalFilename: ConfigSecurityPolicy.exeProductName: Microsoft® Windows® Operating SystemProductVersion: 4.18.18362.1Translation: 0x0409 0x04b0

Virus:MSIL/Grenam!A also known as:

Elastic malicious (high confidence)
DrWeb Trojan.MulDrop20.13470
MicroWorld-eScan Gen:Variant.MSILPerseus.193277
FireEye Generic.mg.38d673eb55867463
ALYac Gen:Variant.MSILPerseus.193277
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 700000121 )
K7GW Trojan ( 700000121 )
Cybereason malicious.b55867
Cyren W32/MSIL_Agent.DJX.gen!Eldorado
tehtris Generic.Malware
ESET-NOD32 a variant of MSIL/Agent.EF
ClamAV Win.Virus.Renamer-9953540-0
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Gen:Variant.MSILPerseus.193277
Avast Win32:MalwareX-gen [Trj]
Ad-Aware Gen:Variant.MSILPerseus.193277
Sophos MSIL/Grenam-A
McAfee-GW-Edition GenericRXTG-FA!38D673EB5586
Trapmine malicious.moderate.ml.score
Emsisoft Gen:Variant.MSILPerseus.193277 (B)
Ikarus Worm.MSIL.Bladabindi
Avira HEUR/AGEN.1235262
MAX malware (ai score=87)
Microsoft Virus:MSIL/Grenam.gen!A
Arcabit Trojan.MSILPerseus.D2F2FD
GData Gen:Variant.MSILPerseus.193277
Cynet Malicious (score: 100)
McAfee GenericRXTG-FA!38D673EB5586
Malwarebytes Malware.AI.2185418873
APEX Malicious
Rising Virus.Grenam!1.A2DD (CLASSIC)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.EF!worm
AVG Win32:MalwareX-gen [Trj]
CrowdStrike win/malicious_confidence_60% (D)

How to remove Virus:MSIL/Grenam!A?

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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