What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the MSIL/Packed.RPX.K detection means that your system is in big danger. This malware can correctly be identified as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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MSIL/Packed.RPX.K detection is a malware detection you can spectate in your system. It often appears after the preliminary actions on your PC – opening the untrustworthy e-mail, clicking the banner in the Web or setting up the program from unreliable sources. From the instance it appears, you have a short time to act before it starts its destructive activity. And be sure – it is far better not to wait for these malicious effects.

What is MSIL/Packed.RPX.K virus?

MSIL/Packed.RPX.K is ransomware-type malware. It looks for the documents on your disk drive, encrypts it, and after that 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 avoid you from checking out the removal tutorials or downloading the antivirus. In rare cases, MSIL/Packed.RPX.K can also stop the setup of anti-malware programs.

MSIL/Packed.RPX.K Summary

Summarizingly, MSIL/Packed.RPX.K malware actions in the infected PC are next:

  • Dynamic (imported) function loading detected;
  • The binary likely contains encrypted or compressed data.;
  • .NET file is packed/obfuscated with SmartAssembly;
  • Authenticode signature is invalid;
  • Encrypting the files kept on the target’s drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • 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 malware for both individuals and organizations. The algorithms utilized in MSIL/Packed.RPX.K (generally, 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 actually exists, and possibly will exist. But that virus does not do all these unpleasant things without delay – it can require up to several hours to cipher all of your files. Hence, seeing the MSIL/Packed.RPX.K detection is a clear signal that you need to start the elimination process.

Where did I get the MSIL/Packed.RPX.K?

Ordinary ways of MSIL/Packed.RPX.K spreading are usual for all other ransomware variants. Those are one-day landing sites where users are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a relatively new method in malware spreading – you receive the email that simulates some normal notifications about shippings or bank service conditions updates. Inside of the email, there is a malicious MS Office file, or a web 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 pretty easy, but still demands a lot of recognition. Malware can hide in different spots, and it is better to prevent it even before it invades your system than to rely upon an anti-malware program. Standard cybersecurity knowledge is just an essential item in the modern world, even if your relationship with a computer stays on YouTube videos. That may keep you a lot of time and money which you would certainly spend while seeking a fixing guide.

MSIL/Packed.RPX.K malware technical details

File Info:

name: F4FED73C155C991C6BA8.mlw
path: /opt/CAPEv2/storage/binaries/9ab7c4dfaec873975834c840cb6b5dbe17bf36368a74a333481a121fc32130b0
crc32: 75AD7672
md5: f4fed73c155c991c6ba83b29d22da129
sha1: 67f9c744160d5fc172b4669a3007f6d81470728c
sha256: 9ab7c4dfaec873975834c840cb6b5dbe17bf36368a74a333481a121fc32130b0
sha512: 992ed4d4f59eb64abb054ea8baf33107452b58603d7d9b2cc29ee7d642320aca0b2cd00c0bcd2a6d4dc5df5f19dd97e98856560222e11e200d5b8a0379b407ef
ssdeep: 1536:ZWxBV0pe0LfsabYkCsl4y96J2J/1E9PjC0W0MBnbpzih8j0/F5LgFWoLZlRCaoOW:ZWxBB0QaIckAYJpM/k8jCHWlRCawjWM
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1EA93AD09A9327E20C23544B8E5E7E9980A54BFC03922F756385C37DD6512F8B7DA3C9B
sha3_384: 7491430a27edc41d545099e087cdf1040fea9bb0b4ac48700a4dd6c6b16c48efd09b91db57b8d5434ca444129aa7c9b4
ep_bytes: ff250020400000000000000000000000
timestamp: 2021-10-01 13:48:57

Version Info:

Translation: 0x0000 0x04b0
Comments: RPX 1.3.4400.61
InternalName: Secures.exe
OriginalFilename: Secures.exe
Assembly Version:

MSIL/Packed.RPX.K also known as:

Elasticmalicious (high confidence)
McAfeeRDN/Generic PUP.z
K7AntiVirusTrojan ( 004c6b351 )
K7GWTrojan ( 004c6b351 )
ESET-NOD32a variant of MSIL/Packed.RPX.K
AvastWin32:KeyloggerX-gen [Trj]
RisingTrojan.Generic/MSIL@AI.100 (RDM.MSIL:Wlzf3X+9RnBE/lOa/BGoxg)
EmsisoftTrojan.GenericKD.37703677 (B)
SentinelOneStatic AI – Malicious PE
CynetMalicious (score: 100)
MAXmalware (ai score=100)
AVGWin32:KeyloggerX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove MSIL/Packed.RPX.K?

MSIL/Packed.RPX.K malware is very hard to erase manually. It places its data in multiple places throughout the disk, and can restore itself from one of the parts. Additionally, a range of modifications in the windows registry, networking settings and Group Policies are really hard to discover and return to the initial. It is much better to make use of a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the best for malware elimination goals.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated just about every hour. In addition, it does not have such bugs and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for removing malware of any type.

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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