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

What is Worm:Win32/Mothyfil.B infection?

In this short article you will locate about the definition of Worm:Win32/Mothyfil.B as well as its negative influence on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to demand paying the ransom money by a victim.

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In the majority of the situations, Worm:Win32/Mothyfil.B infection will certainly instruct its victims to initiate funds move for the function of counteracting the changes that the Trojan infection has actually introduced to the victim’s tool.

Worm:Win32/Mothyfil.B Summary

These alterations can be as follows:

  • Ciphering the papers located on the target’s hard disk — so the sufferer can no more use the information;
  • Preventing normal access to the target’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 regular networks where Worm:Win32/Mothyfil.B are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a resource that holds a harmful software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the sufferer’s computer or avoid the gadget from functioning in a correct manner – while also placing a ransom money note that states the requirement for the victims to effect the repayment for the objective of decrypting the papers or restoring the documents system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually already been damaged.

Worm:Win32/Mothyfil.B distribution channels.

In various edges of the globe, Worm:Win32/Mothyfil.B expands by jumps as well as bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom amount might vary relying on specific local (regional) settings. The ransom notes and tricks of obtaining the ransom money quantity might vary depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In certain areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s device. The alert then requires the customer to pay the ransom money.

    Faulty statements concerning unlawful content.

    In nations where software application piracy is less prominent, this approach is not as effective for the cyber fraudulences. Conversely, the Worm:Win32/Mothyfil.B popup alert may falsely claim to be stemming from a police organization and will report having located kid pornography or other unlawful data on the device.

    Worm:Win32/Mothyfil.B popup alert might wrongly claim to be acquiring from a regulation enforcement institution and will report having located youngster pornography or various other illegal information on the tool. The alert will likewise include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 91CC95F3
md5: 09ca486ae0b195d4fc22f696966de5ee
name: 09CA486AE0B195D4FC22F696966DE5EE.mlw
sha1: f8bc411ffa92cde5e12215a787bed2ae069014c4
sha256: aa21979a047f33a5ee7302b14fbf2b630c8df9f1f9fdf2574e1339ab9f5102b1
sha512: c33e326a7bb576450bfe1aa16a7ef8f6bb1df47adc842281bb9c57e3435ed01006534b4d2b76e2402702e6e3cdc9116ed86eaa129c43b3c6a507d7a1c7c4c526
ssdeep: 6144:GILAXlc5dRnhD2TnTXaZ8res6cXI1SICbj4hIaMsZDg4O9miEJnNc75+0Wi7:Grl0YQdTCbj4LjOGJniN+0J
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Worm:Win32/Mothyfil.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.VbCrypt.250
Cynet Malicious (score: 100)
ALYac Gen:Heur.Ransom.Cerber.2
Cylance Unsafe
Sangfor Virus_Suspicious.Win32.Sality.bh
CrowdStrike win/malicious_confidence_100% (W)
K7GW Virus ( f10001071 )
K7AntiVirus Virus ( f10001071 )
Baidu Win32.Trojan.VB.ar
Cyren W32/Sality.E.gen!Eldorado
Symantec W32.Virut.CF
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Dropper.Bancos-9859520-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Ransom.Cerber.2
NANO-Antivirus Virus.Win32.Gen.ccmw
MicroWorld-eScan Gen:Heur.Ransom.Cerber.2
Ad-Aware Gen:Heur.Ransom.Cerber.2
Sophos Mal/Generic-S
Comodo TrojWare.Win32.VB.QZY@5045k8
BitDefenderTheta Gen:NN.ZexaF.34738.xmX@ai0jOEh
VIPRE Virus.Win32.Sality.at (v)
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
FireEye Generic.mg.09ca486ae0b195d4
Emsisoft Gen:Heur.Ransom.Cerber.2 (B)
Jiangmin Win32/HLLP.Kuku.poly2
Avira TR/Patched.Ren.Gen
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.25B508C
Microsoft Worm:Win32/Mothyfil.B
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Ransom.Cerber.2
AhnLab-V3 Trojan/Win32.Xema.C65103
Acronis suspicious
McAfee Artemis!09CA486AE0B1
MAX malware (ai score=99)
VBA32 Trojan.VBKrypt
Panda Trj/CI.A
TrendMicro-HouseCall PE_SALITY.RL
Rising Trojan.Agent!1.9D4E (CLASSIC)
Ikarus Worm.Win32.AutoRun
AVG Win32:Evo-gen [Susp]
Paloalto generic.ml

How to remove Worm:Win32/Mothyfil.B 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 Worm:Win32/Mothyfil.B 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Worm:Win32/Mothyfil.B 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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