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

What is Win32/Injector.YRQ infection?

In this post you will certainly locate about the meaning of Win32/Injector.YRQ as well as its unfavorable effect on your computer system. Such ransomware are a type of malware that is specified by on the internet frauds to demand paying the ransom money by a target.

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In the majority of the instances, Win32/Injector.YRQ ransomware will certainly instruct its targets to initiate funds transfer for the function of reducing the effects of the amendments that the Trojan infection has presented to the target’s gadget.

Win32/Injector.YRQ Summary

These alterations can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • At least one process apparently crashed during execution;
  • Injection with CreateRemoteThread in a remote process;
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Code injection with CreateRemoteThread in a remote process;
  • Crashed cuckoomon during analysis. Report this error to the Github repo.;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s hard disk — so the victim can no longer use the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains Win.Ransomware.Zbot-9828605-0 Win.Ransomware.Zbot-9828605-0 Win.Ransomware.Zbot-9828605-0 Win.Ransomware.Zbot-9828605-0


One of the most normal channels through which Win32/Injector.YRQ Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of customer winding up on a resource that hosts a destructive software program;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s computer or stop the gadget from operating in a correct fashion – while also positioning a ransom note that states the demand for the victims to impact the repayment for the purpose of decrypting the records or restoring the documents system back to the preliminary problem. In a lot of circumstances, the ransom money note will turn up when the client reboots the PC after the system has currently been damaged.

Win32/Injector.YRQ distribution networks.

In various edges of the globe, Win32/Injector.YRQ grows by jumps as well as bounds. Nevertheless, the ransom money notes and methods of extorting the ransom quantity might vary depending on specific neighborhood (regional) settings. The ransom notes and methods of extorting the ransom quantity may vary depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the sufferer’s gadget. The sharp after that demands the customer to pay the ransom.

    Faulty statements regarding prohibited content.

    In nations where software piracy is much less popular, this method is not as effective for the cyber scams. Additionally, the Win32/Injector.YRQ popup alert might incorrectly declare to be stemming from a law enforcement establishment as well as will certainly report having situated child pornography or various other illegal information on the gadget.

    Win32/Injector.YRQ popup alert might falsely claim to be obtaining from a regulation enforcement organization and will certainly report having located child porn or various other unlawful information on the tool. The alert will similarly contain a need for the user to pay the ransom.

Technical details

File Info:

crc32: CF463CD9
md5: b1dd752298a1f2977651c3fa52939a10
name: B1DD752298A1F2977651C3FA52939A10.mlw
sha1: 5f5ffe6990b88fa89150b073dab743fa2621a66c
sha256: 462be21ae3ce9c696e0b263e42b16d03597e09820e8f619c8b0b5f71d5ab81b3
sha512: 16f031846d9a7470d8b015da4f7b0da977bea6e0cc14a9c75b204f670d43103678ab792f9f56bf68f0733dedd9b266b46690c905e16a7008680ec9b6c1b6bfa3
ssdeep: 3072:Kj5KshtxG9yY+NZRz+wfARPJqa66Gjdw7igzlS48F7IhRjOCpUItCsovk:0KshtcgY+Td+SAPJ6zdihS4qEDjUAovk
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Win32/Injector.YRQ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 003fa3651 )
Elastic malicious (high confidence)
DrWeb BackDoor.IRC.NgrBot.42
Cynet Malicious (score: 100)
ALYac Gen:Heur.Zygug.6
Cylance Unsafe
Zillya Trojan.Foreign.Win32.1949
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba VirTool:Win32/Obfuscator.5cdcdcbf
K7GW Trojan ( 003fa3651 )
Cybereason malicious.298a1f
Cyren W32/Hamweq.D.gen!Eldorado
Symantec Trojan.Shylock
ESET-NOD32 a variant of Win32/Injector.YRQ
APEX Malicious
Avast Win32:Buzus-AYO [Trj]
ClamAV Win.Ransomware.Zbot-9828605-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Zygug.6
NANO-Antivirus Trojan.Win32.NgrBot.bobpuq
ViRobot Trojan.Win32.A.Foreign.196096
MicroWorld-eScan Gen:Heur.Zygug.6
Tencent Malware.Win32.Gencirc.10bbcfbd
Ad-Aware Gen:Heur.Zygug.6
Sophos ML/PE-A + Mal/EncPk-AHQ
Comodo TrojWare.Win32.PWS.ZBot.AAA@4sq88d
BitDefenderTheta Gen:NN.ZexaF.34738.nGW@aWt5ECdi
VIPRE Trojan.Win32.Encpk.ahq (v)
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Emsisoft Gen:Heur.Zygug.6 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Foreign.bbj
Avira TR/Patched.Gen
Antiy-AVL Trojan/Generic.ASMalwS.159853
Kingsoft Win32.Troj.Injector.Y.(kcloud)
Microsoft Worm:Win32/Dorkbot
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Zygug.6
AhnLab-V3 Trojan/Win32.Ransomlock.R44270
Acronis suspicious
McAfee PWS-Zbot.gen.apx
MAX malware (ai score=100)
VBA32 Worm.Dorkbot.1312
Malwarebytes Nimnul.Virus.FileInfector.DDS
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_RANSOM.SMWX
Rising Malware.Heuristic!ET#99% (RDMK:cmRtazrXouu4hCLzwqXBv2zhv9Em)
Yandex Trojan.GenAsa!pyNAgLpMaMc
Ikarus Trojan-Spy.Win32.Zbot
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Ransom.AAX!tr
AVG Win32:Buzus-AYO [Trj]

How to remove Win32/Injector.YRQ 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/Injector.YRQ 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/Injector.YRQ 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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