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

What is MSILPerseus.155508 infection?

In this short article you will certainly discover about the interpretation of MSILPerseus.155508 as well as its adverse impact on your computer. Such ransomware are a form of malware that is specified by on the internet scams to demand paying the ransom by a sufferer.

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In the majority of the situations, MSILPerseus.155508 infection will advise its targets to initiate funds transfer for the purpose of neutralizing the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

MSILPerseus.155508 Summary

These adjustments 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the documents located on the victim’s hard disk drive — so the target can no longer use the data;
  • Preventing normal 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.
Similar behavior


The most regular networks through which MSILPerseus.155508 Ransomware Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of individual ending up on a resource that organizes a harmful software;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the target’s computer or stop the gadget from operating in a proper way – while also putting a ransom money note that mentions the need for the targets to effect the repayment for the objective of decrypting the papers or restoring the data system back to the preliminary problem. In the majority of instances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has actually currently been damaged.

MSILPerseus.155508 circulation channels.

In numerous edges of the globe, MSILPerseus.155508 expands by jumps as well as bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom quantity may differ depending upon certain neighborhood (local) setups. The ransom notes and also tricks of extorting the ransom money amount might vary depending on specific regional (local) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In specific locations, the Trojans often wrongfully report having actually discovered some unlicensed applications allowed on the sufferer’s tool. The alert then requires the user to pay the ransom.

    Faulty statements about prohibited web content.

    In nations where software program piracy is much less preferred, this technique is not as reliable for the cyber scams. Conversely, the MSILPerseus.155508 popup alert might falsely claim to be stemming from a law enforcement organization as well as will certainly report having situated youngster pornography or other unlawful information on the gadget.

    MSILPerseus.155508 popup alert may falsely declare to be acquiring from a law enforcement establishment and will report having situated youngster porn or various other illegal data on the device. The alert will similarly consist of a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 9BAC7EA1
md5: cb219109a658cc1312b5b91335914227
name: CB219109A658CC1312B5B91335914227.mlw
sha1: 7038c4111561c37abe236a514e195fc041ccc3ff
sha256: 4e385b2459cbafd88b373f3910be79b6c6284600e19ca42db158febe0858d9d1
sha512: 71388ce21fd0df7d2af019c7ceb2f307e4cb0ae28302ba320a04b3b8a563b3ac7f20b368e01f07ff7ee69ad54e4a001a9957fd8b894045183458d841e2e47863
ssdeep: 12288:7rebfyvrBSS23encB4Sgpf01Z0Dp6WjwbHBaJE9:myvrBN2Om4S6f01+DAWmEE
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2018
Assembly Version:
InternalName: WindowsUpgrader.exe
ProductName: WindowsUpgrader
FileDescription: WindowsUpgrader
OriginalFilename: WindowsUpgrader.exe

MSILPerseus.155508 also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Variant.MSILPerseus.155508
FireEye Gen:Variant.MSILPerseus.155508
McAfee GenericRXHN-OB!CB219109A658
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Variant.MSILPerseus.155508
K7GW Trojan ( 005367371 )
K7AntiVirus Trojan ( 005367371 )
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
Alibaba Trojan:MSIL/FakeSupport.98b0062e
ViRobot Trojan.Win32.S.Agent.518656.BI
AegisLab Trojan.Win32.FakeSupport.4!c
Rising Trojan.FakeSupport!8.BA68 (CLOUD)
Ad-Aware Gen:Variant.MSILPerseus.155508
Emsisoft Gen:Variant.MSILPerseus.155508 (B)
Comodo Malware@#28hlmfchzrowm
McAfee-GW-Edition GenericRXHN-OB!CB219109A658
Sophos Mal/Generic-S
Ikarus Trojan.MSIL.Fakesupport
Webroot W32.Trojan.Gen
Microsoft PUA:Win32/Vigua.A
Arcabit Trojan.MSILPerseus.D25F74
GData Gen:Variant.MSILPerseus.155508
AhnLab-V3 Trojan/Win32.Screenlocker.R355899
ALYac Trojan.Ransom.TechSupportScam
MAX malware (ai score=99)
Malwarebytes MachineLearning/Anomalous.95%
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/FakeSupport.CQ
TrendMicro-HouseCall Ransom_LOCKSCREEN.THAABAAH
Tencent Msil.Trojan.Msilperseus.Syhl
Yandex Trojan.FakeSupport!bl7KWFRmI64
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/FakeSupport.CQ!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Trojan.e3a

How to remove MSILPerseus.155508 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 MSILPerseus.155508 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 MSILPerseus.155508 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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