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

What is TrojanDownloader:Win32/Wauchos!bit infection?

In this short article you will certainly locate concerning the definition of TrojanDownloader:Win32/Wauchos!bit and also its adverse influence on your computer. Such ransomware are a form of malware that is elaborated by online scams to demand paying the ransom by a victim.

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In the majority of the instances, TrojanDownloader:Win32/Wauchos!bit infection will certainly instruct its targets to initiate funds move for the function of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s device.

TrojanDownloader:Win32/Wauchos!bit Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Executed a process and injected code into it, probably while unpacking;
  • Network activity detected but not expressed in API logs;
  • Ciphering the records located on the target’s disk drive — so the sufferer can no more use the data;
  • Preventing normal access to the victim’s workstation;


The most common networks through which TrojanDownloader:Win32/Wauchos!bit Trojans are infused are:

  • By means of phishing emails;
  • As an effect of user winding up on a source that organizes a malicious software application;

As soon as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s computer or prevent the device from operating in a correct way – while additionally placing a ransom note that mentions the requirement for the victims to impact the payment for the objective of decrypting the records or restoring the file system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly come up when the customer restarts the PC after the system has actually currently been damaged.

TrojanDownloader:Win32/Wauchos!bit circulation channels.

In numerous edges of the globe, TrojanDownloader:Win32/Wauchos!bit grows by jumps and also bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom money quantity might vary depending on specific neighborhood (regional) settings. The ransom money notes and tricks of obtaining the ransom money amount may vary depending on particular local (regional) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software application.

    In particular locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the target’s tool. The sharp after that demands the user to pay the ransom money.

    Faulty declarations regarding unlawful material.

    In countries where software program piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the TrojanDownloader:Win32/Wauchos!bit popup alert might wrongly declare to be originating from a police organization and will certainly report having located kid porn or various other illegal information on the gadget.

    TrojanDownloader:Win32/Wauchos!bit popup alert may wrongly claim to be deriving from a law enforcement institution as well as will certainly report having located child pornography or various other illegal information on the device. The alert will in a similar way contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: A99723FE
md5: 531a4348d00bd64b3a68167a7b770330
name: 531A4348D00BD64B3A68167A7B770330.mlw
sha1: 2a638fffda651f86f8ae929a6f0b1d105de403d4
sha256: df0b6be510e92b98021b030882b043bb381faf1379564bcacbf64dc30d03d122
sha512: 18159c2c4ce7f45a503035c31e71dbb3381b58cb75ea66ab798e907eb36c6e90f092161c61e3cdb802a8683e3513185e6ae4122dec0962be6972e1dc2a5fcabb
ssdeep: 3072:U7/jYl2Mt5/i0cMQUKwhxq8kX3NOhh9qz/Kl1JgcPEyplEd/53j7WA:S/j7MtFMIq8kniQGl7lmpS
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 2003-2016 Glarysoft Ltd
InternalName: MemfilesService.exe
CompanyName: Glarysoft Ltd
ProductName: Glary Utilities
FileDescription: MemfilesService
OriginalFilename: MemfilesService.exe
Translation: 0x0804 0x03a8

TrojanDownloader:Win32/Wauchos!bit also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Chthonic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.13534
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.40582157
Cylance Unsafe
Zillya Trojan.Chthonic.Win32.108
CrowdStrike win/malicious_confidence_90% (W)
Alibaba TrojanDownloader:Win32/Wauchos.acb817de
K7GW Riskware ( 0040eff71 )
Cybereason malicious.8d00bd
Cyren W32/Chthonic.XCVW-7609
Symantec Packed.Generic.459
ESET-NOD32 Win32/TrojanDownloader.Wauchos.DH
APEX Malicious
Avast Win32:Malware-gen
BitDefender Trojan.GenericKD.40582157
NANO-Antivirus Trojan.Win32.Chthonic.fivylz
MicroWorld-eScan Trojan.GenericKD.40582157
Tencent Win32.Trojan-banker.Chthonic.Ssgw
Ad-Aware Trojan.GenericKD.40582157
Sophos ML/PE-A + Mal/Generic-L
Comodo TrojWare.Win32.TrojanProxy.Bunitu.GL@7xwiw9
BitDefenderTheta Gen:NN.ZexaF.34266.pq0@ayN6qioj
VIPRE Win32.Malware!Drop
TrendMicro TrojanSpy.Win32.TRICKBOT.SMB.hp
McAfee-GW-Edition BehavesLike.Win32.Ransomware.dh
Emsisoft Trojan.Agent (A)
SentinelOne Static AI – Malicious PE
Webroot W32.Malware.Gen
Avira TR/Dldr.Wauchos.U
eGambit Unsafe.AI_Score_96%
Antiy-AVL Trojan/Generic.ASMalwS.2865EB7
Kingsoft Win32.Troj.Banker.(kcloud)
Microsoft TrojanDownloader:Win32/Wauchos!bit
Arcabit Trojan.Generic.D26B3C0D
GData Win32.Packed.Kryptik.702OAJ
AhnLab-V3 Trojan/Win32.Agent.C2741056
McAfee Generic.bja
MAX malware (ai score=99)
VBA32 BScope.TrojanBanker.Chthonic
Panda Trj/WLT.D
TrendMicro-HouseCall TrojanSpy.Win32.TRICKBOT.SMB.hp
Rising Trojan.Kryptik!1.C745 (CLASSIC)
Yandex Trojan.PWS.Chthonic!v7Ttyj9POq0
Ikarus Trojan-Downloader.Win32.Wauchos
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Chthonic.DH!tr
AVG Win32:Malware-gen

How to remove TrojanDownloader:Win32/Wauchos!bit 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 TrojanDownloader:Win32/Wauchos!bit 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 TrojanDownloader:Win32/Wauchos!bit 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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