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

What is Virus:Win32/Expiro!F infection?

In this post you will discover about the definition of Virus:Win32/Expiro!F as well as its adverse impact on your computer system. Such ransomware are a kind of malware that is specified by on the internet fraudulences to require paying the ransom by a sufferer.

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Most of the cases, Virus:Win32/Expiro!F infection will certainly advise its targets to start funds transfer for the function of counteracting the changes that the Trojan infection has actually introduced to the sufferer’s device.

Virus:Win32/Expiro!F Summary

These modifications can be as follows:

  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Ciphering the documents situated on the victim’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular accessibility to the target’s workstation;


The most normal channels whereby Virus:Win32/Expiro!F are infused are:

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

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or prevent the device from functioning in an appropriate fashion – while additionally putting a ransom money note that discusses the requirement for the targets to impact the settlement for the purpose of decrypting the files or recovering the data system back to the preliminary problem. In most circumstances, the ransom note will show up when the client restarts the PC after the system has currently been harmed.

Virus:Win32/Expiro!F circulation networks.

In various edges of the world, Virus:Win32/Expiro!F expands by leaps as well as bounds. However, the ransom money notes and also methods of obtaining the ransom quantity might differ depending upon certain local (regional) setups. The ransom notes and also techniques of extorting the ransom quantity might differ depending on specific neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the sufferer’s device. The alert after that requires the individual to pay the ransom.

    Faulty statements about prohibited content.

    In nations where software application piracy is less popular, this approach is not as efficient for the cyber fraudulences. Conversely, the Virus:Win32/Expiro!F popup alert might falsely claim to be deriving from a law enforcement establishment as well as will certainly report having situated youngster porn or other illegal data on the tool.

    Virus:Win32/Expiro!F popup alert may wrongly declare to be acquiring from a law enforcement institution and also will report having located child porn or other prohibited data on the tool. The alert will in a similar way include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 3F0E02B2
md5: a913ca127d9a25b1f8fd29e7a40ed453
name: A913CA127D9A25B1F8FD29E7A40ED453.mlw
sha1: d21b785a57259ebfa3fbef1af6cacd648cef08a8
sha256: 99a1c1d1720e0d194c4c9fe28edb3f0f9d7f4299555884d4fd08c3cee90bf568
sha512: a3af6ed5e5fb3afa973a0021768b680486347c3588f262f19eb0d81b82f0ee00c15e35675341161157a18445f4a8097933c442877a54b52579375da8041c664b
ssdeep: 3072:RG8uuBD/6AqM8icbBlhIG5Mtn2QFyCWCcdy:vBD6AEbBlhWwLd
type: MS-DOS executable, MZ for MS-DOS

Version Info:

LegalCopyright: Copyright xa9 Microsoft Corporation 1996-2001
InternalName: mnmsrvc
FileVersion: 5.1.2600.2180
CompanyName: Microsoft Corporation
LegalTrademarks: Microsoftxae is a registered trademark of Microsoft Corporation. Windowsxae is a registered trademark of Microsoft Corporation.
ProductName: Windowsxae NetMeetingxae
ProductVersion: 3.01
FileDescription: NetMeeting Remote Desktop Sharing
OriginalFilename: mnmsrvc.dll
Translation: 0x0409 0x04b0

Virus:Win32/Expiro!F also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005376ae1 )
Lionic Trojan.Win32.Expiro.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Win32.Expiro.BC
ALYac Win32.Expiro.BC
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Virus:Win32/Expiro.4e539a08
K7GW Trojan ( 0049c30b1 )
Cybereason malicious.27d9a2
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Expiro.NAS
APEX Malicious
Avast FileRepMalware
Cynet Malicious (score: 100)
BitDefender Win32.Expiro.BC
NANO-Antivirus Trojan.Win32.Expiro.fnnhcg
Tencent Win32.Virus.Expiro.Llgt
Ad-Aware Win32.Expiro.BC
Comodo MalCrypt.Indus!@1qrzi1
BitDefenderTheta AI:FileInfector.7E32D4940F
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_97%
Arcabit Win32.Expiro.BC
Microsoft Virus:Win32/Expiro.gen!F
Acronis suspicious
McAfee Artemis!A913CA127D9A
MAX malware (ai score=83)
Malwarebytes Ransom.Petya.Generic
Panda Trj/CI.A
Ikarus Virus.Win32.Virut.n
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Expiro.NR
AVG FileRepMalware

How to remove Virus:Win32/Expiro!F 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 Virus:Win32/Expiro!F 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 Virus:Win32/Expiro!F you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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