Written by Robert Bailey

What is MSILPerseus.236638 infection?

In this article you will locate about the definition of MSILPerseus.236638 and also its negative influence on your computer. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom money by a sufferer.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
GridinSoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | GridinSoft

In the majority of the situations, MSILPerseus.236638 infection will certainly instruct its targets to initiate funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the sufferer’s gadget.

MSILPerseus.236638 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 disk drive — so the target can no more use the information;
  • Preventing regular accessibility to the victim’s workstation;


The most typical channels where MSILPerseus.236638 Trojans are infused are:

  • By means of phishing e-mails;
  • As an effect of user winding up on a source that hosts a malicious software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s PC or prevent the gadget from functioning in a proper way – while likewise putting a ransom money note that points out the requirement for the sufferers to impact the settlement for the purpose of decrypting the documents or recovering the data system back to the first problem. In a lot of instances, the ransom money note will certainly turn up when the client reboots the PC after the system has already been damaged.

MSILPerseus.236638 circulation channels.

In different edges of the globe, MSILPerseus.236638 grows by jumps and also bounds. However, the ransom notes as well as tricks of obtaining the ransom money amount may vary relying on specific regional (regional) settings. The ransom money notes and also tricks of extorting the ransom money quantity may vary depending on particular neighborhood (local) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s device. The alert then requires the user to pay the ransom.

    Faulty statements about prohibited material.

    In countries where software application piracy is much less preferred, this method is not as reliable for the cyber frauds. Additionally, the MSILPerseus.236638 popup alert might incorrectly assert to be stemming from a law enforcement institution and also will report having situated kid porn or other unlawful information on the device.

    MSILPerseus.236638 popup alert may wrongly declare to be obtaining from a regulation enforcement institution and also will report having located kid porn or other unlawful data on the device. The alert will in a similar way have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: F67C3335
md5: 9a291b5aa504dea948ecbd9c8ed027bb
name: osno-crypted.exe
sha1: 172e9c9e45d8012177f1b63c6ed663a36ca94e3c
sha256: 12546fbdf863d3967becb71e06453a54c79cb38aa1fdfa9f09aae5806f284932
sha512: d7822ac54b87df84ce4d895f5bfa87d0dd1f06cb9e5990f6cf12f21209f9d3d32bd5cf34874483c5c4b706fc143598bec61cac5eb98cb26aaf2fad6b9f21c572
ssdeep: 24576:cToITadHszY+FnT+0aqwfdfqaPn7uAaS6qZT6pZ1cvWzooDEOd++EvMLjodplhQ:Soua0FTefgav7n7p6pLOwooldgvMHod
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2020
Assembly Version:
InternalName: ExSharpBase.exe
ProductName: ExSharpBase
FileDescription: ExSharpBase
OriginalFilename: ExSharpBase.exe

MSILPerseus.236638 also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.MSILPerseus.236638
McAfee Artemis!9A291B5AA504
Cylance Unsafe
BitDefender Gen:Variant.MSILPerseus.236638
Invincea Generic ML PUA (PUA)
BitDefenderTheta Gen:NN.ZemsilF.34570.Dn0@a0MafDe
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
Kaspersky HEUR:Trojan.MSIL.Injects.gen
Ad-Aware Gen:Variant.MSILPerseus.236638
Emsisoft Gen:Variant.MSILPerseus.236638 (B)
Ikarus Trojan-Ransom.Osno
GData Gen:Variant.MSILPerseus.236638
Jiangmin Trojan.MSIL.qwdb
Arcabit Trojan.MSILPerseus.D39C5E
ZoneAlarm HEUR:Trojan.MSIL.Injects.gen
Microsoft Trojan:Win32/Wacatac.C!ml
ALYac Gen:Variant.MSILPerseus.236638
MAX malware (ai score=84)
Malwarebytes Spyware.PasswordStealer
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/GenKryptik.ETOU
Rising Malware.Undefined!8.C (TFE:C:LUhV5IJphJJ)
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_98%
Fortinet MSIL/GenKryptik.ETOU!tr
AVG Win32:CrypterX-gen [Trj]
CrowdStrike win/malicious_confidence_80% (D)

How to remove MSILPerseus.236638 virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.236638 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSILPerseus.236638 you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.