Win32/Lypserat.O (Trojan Lypserat)

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

What is Win32/Lypserat.O infection?

In this article you will locate about the definition of Win32/Lypserat.O and also its unfavorable effect on your computer system. Such ransomware are a type of malware that is specified by on the internet fraudulences to require paying the ransom money by a target.

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In the majority of the cases, Win32/Lypserat.O virus will certainly instruct its sufferers to launch funds transfer for the objective of neutralizing the modifications that the Trojan infection has presented to the sufferer’s tool.

Win32/Lypserat.O Summary

These modifications can be as complies with:

  • Creates a hidden or system file;
  • Anomalous binary characteristics;
  • Ciphering the records located on the victim’s disk drive — so the target can no more use the data;
  • Preventing regular access to the victim’s workstation;
Lypserat Installation

When executed, the Trojan copies itself into the following location:


In order to be executed on every system start, the trojan sets the following Registry entries:

"Prueba1" = "SLH1"
"Prueba1" = "SLH1"
"Path" = "SLH1"
[HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Active Setup\­Installed Components\­Prueba1]
"StubPath" = "SLH1"

The trojan creates the following files:


The trojan executes the following files:



One of the most common networks through which Win32/Lypserat.O Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of customer ending up on a resource that holds a malicious software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s PC or stop the device from functioning in a proper way – while also positioning a ransom note that mentions the need for the targets to effect the settlement for the objective of decrypting the documents or restoring the data system back to the initial problem. In the majority of instances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has actually already been harmed.

Win32/Lypserat.O distribution channels.

In various corners of the world, Win32/Lypserat.O grows by jumps as well as bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom amount might differ relying on specific local (regional) settings. The ransom notes as well as methods of extorting the ransom money quantity might differ depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In certain locations, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the target’s tool. The alert after that demands the user to pay the ransom money.

    Faulty statements about prohibited web content.

    In countries where software application piracy is much less popular, this method is not as efficient for the cyber scams. Conversely, the Win32/Lypserat.O popup alert might falsely claim to be originating from a police organization and will report having located kid pornography or other illegal data on the tool.

    Win32/Lypserat.O popup alert might incorrectly declare to be obtaining from a legislation enforcement institution as well as will report having situated child pornography or various other illegal data on the gadget. The alert will in a similar way contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: FAFFC6C6
md5: 4da064afba7c5fd04a10850380fcdd2e
name: 4DA064AFBA7C5FD04A10850380FCDD2E.mlw
sha1: f736cfb0d73fe5c9d41db18a0f6bb784958734de
sha256: 33c43895924a1ba5d3063c1f619ed6ac4cf7c898884d317b54a6d52c89bdc462
sha512: a4eadea67337bbf37290cf2e8fbba0e24b1d45ee746a4ac63c52896bbf70c72bb1f375b0638ea8df87f083221878043c53b473ccf98656eb1616a87e4bdb19ff
ssdeep: 1536:1U26qi9FWluMjC08WGo/S1DglDzEYPdrNMBUT/KorqvAHNyZ8E:T6qeFkuOdlt/S1DoHJNMG20qvAHNoV
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Lypserat.O also known as:

K7AntiVirusTrojan ( 001239651 )
Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_60% (D)
K7GWTrojan ( 001239651 )
ESET-NOD32a variant of Win32/Lypserat.O
CynetMalicious (score: 100)
SophosML/PE-A + Mal/Behav-027
VIPRERiskTool.Win32.ProcessPatcher.Nor!cobra (v) (not malicious)
EmsisoftDropped:Generic.FWB.A27D7294 (B)
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=87)

How to remove Win32/Lypserat.O ransomware?

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 Win32/Lypserat.O 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 Win32/Lypserat.O 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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