What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is MSIL/Packed.RPX.J infection?

In this article you will certainly locate regarding the interpretation of MSIL/Packed.RPX.J and its negative influence on your computer. Such ransomware are a kind of malware that is specified by online fraudulences to demand paying the ransom by a sufferer.

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In the majority of the cases, MSIL/Packed.RPX.J virus will advise its targets to initiate funds move for the function of counteracting the changes that the Trojan infection has actually introduced to the sufferer’s device.

MSIL/Packed.RPX.J Summary

These modifications can be as follows:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the target’s hard disk — so the sufferer can no more make use of the information;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most normal channels where MSIL/Packed.RPX.J Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of individual winding up on a source that holds a harmful software;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or prevent the device from operating in a proper fashion – while additionally putting a ransom money note that mentions the requirement for the victims to effect the payment for the objective of decrypting the records or restoring the documents system back to the first problem. In many circumstances, the ransom note will show up when the customer restarts the COMPUTER after the system has actually already been damaged.

MSIL/Packed.RPX.J distribution channels.

In different corners of the globe, MSIL/Packed.RPX.J expands by leaps as well as bounds. Nonetheless, the ransom notes and methods of obtaining the ransom amount may vary depending upon certain neighborhood (regional) settings. The ransom notes and also tricks of obtaining the ransom money amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software.

    In specific areas, the Trojans typically wrongfully report having detected some unlicensed applications enabled on the sufferer’s tool. The alert then demands the user to pay the ransom money.

    Faulty declarations concerning prohibited web content.

    In nations where software piracy is less prominent, this technique is not as reliable for the cyber fraudulences. Conversely, the MSIL/Packed.RPX.J popup alert may falsely assert to be originating from a law enforcement organization and will report having situated youngster pornography or other unlawful data on the tool.

    MSIL/Packed.RPX.J popup alert may incorrectly claim to be acquiring from a regulation enforcement organization as well as will report having situated kid porn or other prohibited information on the device. The alert will similarly contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 6B47BF4D
md5: 53302a0a6040c5240e5f0430db365a16
name: 53302A0A6040C5240E5F0430DB365A16.mlw
sha1: cc1f45a6d535ceef1ad3ab29b0b4d08818375859
sha256: 604ee0616a19d7ab0eaf46e12838307cc25eee902d3fc866f5f0651e2f25609b
sha512: 168cdcde2573c41374f562921109a189ee416640513004a081d56d8938f58aac0f6bc5b0221b7ae988bff33666871d06ff2d361adddc29d209ed5fe2ec5713ec
ssdeep: 1536:Akkt55CNb87P/HNnNc4yPBZV3SWDphNVJ7NZDs+92r:jkt55Cq7Nn2nPBr3vp1tV92r
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Gf6s0B3S
Assembly Version:
InternalName: c y b.exe
CompanyName: Yk2q5MBa3
LegalTrademarks: Zm6a9KFt3
Comments: Ga60SyH RPX 1.3.4400.61
ProductName: z6X8Hpf4BG
FileDescription: Kx04Xyc6L
OriginalFilename: c y b.exe

MSIL/Packed.RPX.J also known as:

K7AntiVirusTrojan ( 700000121 )
Elasticmalicious (high confidence)
CynetMalicious (score: 85)
CrowdStrikewin/malicious_confidence_90% (D)
K7GWTrojan ( 700000121 )
ESET-NOD32a variant of MSIL/Packed.RPX.J
AvastMSIL:GenMalicious-O [Trj]
EmsisoftTrojan.GenericKD.1467041 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=84)
RisingRansom.Blocker!8.12A (CLOUD)
AVGMSIL:GenMalicious-O [Trj]

How to remove MSIL/Packed.RPX.J virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for MSIL/Packed.RPX.J files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove MSIL/Packed.RPX.J you can always ask me in the comments for getting help.

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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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