What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the MSIL/Filecoder.Slimhem.B malware detection means that your system is in big danger. This computer virus can correctly be named as ransomware – virus which encrypts your files and asks you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.
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MSIL/Filecoder.Slimhem.B detection is a virus detection you can spectate in your system. It generally appears after the provoking activities on your PC – opening the untrustworthy email messages, clicking the advertisement in the Internet or installing the program from suspicious sources. From the instance it shows up, you have a short time to do something about it before it starts its malicious activity. And be sure – it is far better not to await these malicious effects.

What is MSIL/Filecoder.Slimhem.B virus?

MSIL/Filecoder.Slimhem.B is ransomware-type malware. It searches for the files on your disk, 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 harm to your system. It alters the networking settings in order to avoid you from looking for the removal tutorials or downloading the anti-malware program. In some cases, MSIL/Filecoder.Slimhem.B can also prevent the setup of anti-malware programs.

MSIL/Filecoder.Slimhem.B Summary

Summarizingly, MSIL/Filecoder.Slimhem.B virus activities in the infected computer are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Encrypting the documents kept on the target’s drive — 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-malware programs

Ransomware has been a horror story for the last 4 years. It is difficult to picture a more dangerous virus for both individuals and organizations. The algorithms used in MSIL/Filecoder.Slimhem.B (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy currently exists, and possibly will exist. But that virus does not do all these bad things without delay – it can require up to a few hours to cipher all of your documents. Hence, seeing the MSIL/Filecoder.Slimhem.B detection is a clear signal that you must begin the clearing procedure.

Where did I get the MSIL/Filecoder.Slimhem.B?

Standard methods of MSIL/Filecoder.Slimhem.B spreading are usual for all other ransomware examples. Those are one-day landing sites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a quite modern strategy in malware spreading – you receive the e-mail that mimics some regular notifications about shippings or bank service conditions updates. Inside of the e-mail, there is an infected MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

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

Preventing it looks quite easy, however, still requires tons of awareness. Malware can hide in various places, and it is better to stop it even before it goes into your system than to rely upon an anti-malware program. Common cybersecurity awareness is just an essential item in the modern world, even if your interaction with a PC remains on YouTube videos. That can keep you a lot of money and time which you would spend while looking for a fix guide.

MSIL/Filecoder.Slimhem.B malware technical details

File Info:

name: 3C7519D452C9E027DCB9.mlw
path: /opt/CAPEv2/storage/binaries/00544308067c5c2aa6337be65c89687057967f54445790d6b4c58a807a20fc78
crc32: B17A0E04
md5: 3c7519d452c9e027dcb9812104993753
sha1: 4d9f8bb511bbf506c090efdae532b624f04a7eb8
sha256: 00544308067c5c2aa6337be65c89687057967f54445790d6b4c58a807a20fc78
sha512: d6fc5624c9fcf54e4cade606a41e6088e13ddb4082ae4697be48f92c7621d98a8bf7be6c15d93448b2ad78523ce87092951a8ed72927b56cbfd6bad8316a2bd6
ssdeep: 24576:cjPBoDTviKFLD03kj+jSxQhCgxgwgv8mp+J/Iu7QmRURRcDqp/TLky8BoeZl6FeR:cnkjmSxinSakmREcDqp/TL8HhotY
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T118B54A01BBE8CE2BF1BF27B6647102550BF4F85AAB72E78F554029AE1C527005D193BB
sha3_384: 45b353270cd184fca14e6eba24da3651a5a5108e87de8114b95d0c525f55f1d567a899190d09a6bf389f3a808dbbce23
ep_bytes: ff2574a06500000000000000000048a0
timestamp: 2016-12-08 14:07:33

Version Info:

Translation: 0x0000 0x04b0
FileDescription: Slimhem
InternalName: Slimhem.exe
LegalCopyright: Copyright © 2016
OriginalFilename: Slimhem.exe
ProductName: Slimhem
Assembly Version:

MSIL/Filecoder.Slimhem.B also known as:

Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_100% (W)
K7GWRiskware ( 0040eff71 )
K7AntiVirusRiskware ( 0040eff71 )
ESET-NOD32a variant of MSIL/Filecoder.Slimhem.B
EmsisoftGen:Variant.Bulz.703851 (B)
SentinelOneStatic AI – Malicious PE
CynetMalicious (score: 99)
MAXmalware (ai score=100)
RisingRansom.Blocker!8.12A (CLOUD)

How to remove MSIL/Filecoder.Slimhem.B?

MSIL/Filecoder.Slimhem.B malware is extremely difficult to eliminate manually. It stores its data in several places throughout the disk, and can get back itself from one of the elements. Furthermore, various alterations in the registry, networking settings and also Group Policies are fairly hard to locate and revert to the original. It is far better to use a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for virus removal reasons.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated almost every hour. Additionally, it does not have such bugs and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for eliminating 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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