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

What is UDS:Trojan.Win32.Yakes.qtbc infection?

In this post you will discover regarding the meaning of UDS:Trojan.Win32.Yakes.qtbc and also its adverse influence on your computer. 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, UDS:Trojan.Win32.Yakes.qtbc infection will certainly instruct its victims to start funds transfer for the objective of neutralizing the amendments that the Trojan infection has introduced to the target’s gadget.

UDS:Trojan.Win32.Yakes.qtbc Summary

These adjustments can be as adheres to:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Russian;
  • Executed a process and injected code into it, probably while unpacking;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the files situated on the target’s hard disk — so the sufferer can no longer use the data;
  • Preventing routine accessibility to the sufferer’s workstation;


One of the most regular networks where UDS:Trojan.Win32.Yakes.qtbc Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of user winding up on a resource that holds a destructive software;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s PC or stop the device from operating in a correct fashion – while additionally putting a ransom note that points out the need for the targets to impact the settlement for the purpose of decrypting the files or bring back the file system back to the preliminary condition. In a lot of instances, the ransom money note will certainly show up when the client reboots the PC after the system has actually currently been damaged.

UDS:Trojan.Win32.Yakes.qtbc circulation networks.

In different corners of the world, UDS:Trojan.Win32.Yakes.qtbc expands by leaps and also bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom money quantity may differ relying on particular neighborhood (regional) setups. The ransom notes and also techniques of obtaining the ransom amount might differ depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications enabled on the victim’s device. The sharp after that requires the user to pay the ransom.

    Faulty declarations regarding unlawful material.

    In countries where software application piracy is less preferred, this method is not as efficient for the cyber fraudulences. Alternatively, the UDS:Trojan.Win32.Yakes.qtbc popup alert may falsely claim to be originating from a law enforcement establishment and will report having located child porn or other illegal data on the gadget.

    UDS:Trojan.Win32.Yakes.qtbc popup alert may wrongly claim to be deriving from a regulation enforcement organization and will report having situated child porn or other unlawful data on the gadget. The alert will likewise consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 968A0AD6
md5: c0c09b681cfd7cd0c0b5e820dc5787b9
name: C0C09B681CFD7CD0C0B5E820DC5787B9.mlw
sha1: 01de443e5c9d2aeddd69a8334bf15bf5a5080748
sha256: cf7ed6008b6cbb627dbbd80993ff38db9e0cabeeebd25719fd214e99437a0145
sha512: df7e19cd2bda62c35306fec3148d9c16bbc0e7d09638f649a917e2a87eca023daaa40ed05633422e06c61fe6d67f3d11951d2abcc0ee1488eac823dfeeba9705
ssdeep: 12288:kMjEoJiPAC+SQGKLKkd2xf2l6pT8Sa6wgU1:kMjrJq5+SxKLKkkolH
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2005-2012 Oleg N. Scherbakov
InternalName: 7ZSfxMod
CompanyName: Oleg N. Scherbakov
PrivateBuild: December 30, 2012
ProductName: 7-Zip SFX
FileDescription: 7z Setup SFX (x86)
OriginalFilename: 7ZSfxMod_x86.exe
Translation: 0x0000 0x04b0

UDS:Trojan.Win32.Yakes.qtbc also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Yakes.4!c
DrWeb Trojan.Click3.25793
Cynet Malicious (score: 99)
CAT-QuickHeal Ransom.Onion.B
ALYac Dropped:Trojan.GenericKD.3524238
Cylance Unsafe
K7GW Riskware ( 0040eff71 )
Cybereason malicious.81cfd7
Cyren W32/S-833c459b!Eldorado
Symantec Trojan.Gen
ESET-NOD32 multiple detections
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Dropper.Cerber-9845751-0
Kaspersky UDS:Trojan.Win32.Yakes.qtbc
BitDefender Dropped:Trojan.GenericKD.3524238
NANO-Antivirus Trojan.Win32.Drop.egsqfz
MicroWorld-eScan Dropped:Trojan.GenericKD.3524238
Ad-Aware Dropped:Trojan.GenericKD.3524238
Sophos Mal/Generic-R
BitDefenderTheta Gen:NN.ZedlaF.34170.gC8@aCXD6JEi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_MyxaH.R034E03EH17
McAfee-GW-Edition Generic.bes
FireEye Generic.mg.c0c09b681cfd7cd0
Emsisoft Dropped:Trojan.GenericKD.3524238 (B)
SentinelOne Static AI – Malicious SFX
Jiangmin Backdoor.Hlux.bol
Avira HEUR/AGEN.1124303
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.1E3E905
Kingsoft Win32.Troj.Yakes.qt.(kcloud)
Microsoft Trojan:Win32/Dynamer!ac
Arcabit Trojan.Generic.D35C68E
GData Dropped:Trojan.GenericKD.3524238
McAfee Generic.bes
MAX malware (ai score=86)
VBA32 Trojan.Click
Malwarebytes Trojan.Kelihos
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_MyxaH.R034E03EH17
Rising Malware.Obscure/Heur!1.A89E (CLASSIC:LTwjNpBLfvu1tEg+qlPZ1w)
Fortinet W32/Generic.R034E03EH17!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove UDS:Trojan.Win32.Yakes.qtbc 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 UDS:Trojan.Win32.Yakes.qtbc 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 UDS:Trojan.Win32.Yakes.qtbc you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
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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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