Written by Robert Bailey

What is MSIL/Injector.QFQ infection?

In this short article you will certainly discover concerning the definition of MSIL/Injector.QFQ as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to require paying the ransom by a victim.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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In the majority of the instances, MSIL/Injector.QFQ infection will certainly advise its victims to launch funds move for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the target’s gadget.

MSIL/Injector.QFQ Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • The binary likely contains encrypted or compressed data.;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Installs itself for autorun at Windows startup;
  • Exhibits behavior characteristic of Nanocore RAT;
  • Creates a copy of itself;
  • Mimics icon used for popular non-executable file format;
  • Collects information to fingerprint the system;
  • Ciphering the documents situated on the victim’s disk drive — so the sufferer can no longer use the data;
  • Preventing routine accessibility to the victim’s workstation;

Related domains: HEUR:Trojan-Ransom.MSIL.Blocker.gen


One of the most typical networks through which MSIL/Injector.QFQ are infused are:

  • By ways of phishing e-mails;
  • As a consequence of user ending up on a resource that hosts a destructive software program;

As soon as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or protect against the device from working in a correct way – while likewise putting a ransom money note that discusses the requirement for the sufferers to effect the payment for the purpose of decrypting the papers or restoring the file system back to the first problem. In the majority of circumstances, the ransom money note will show up when the client reboots the PC after the system has already been damaged.

MSIL/Injector.QFQ circulation networks.

In different edges of the world, MSIL/Injector.QFQ grows by jumps and bounds. Nonetheless, the ransom money notes and also techniques of obtaining the ransom money amount may differ relying on specific local (local) settings. The ransom notes and methods of extorting the ransom money amount may vary depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software.

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

    Faulty declarations regarding unlawful web content.

    In countries where software program piracy is less prominent, this technique is not as effective for the cyber scams. Additionally, the MSIL/Injector.QFQ popup alert might incorrectly declare to be stemming from a police institution as well as will report having located child porn or various other unlawful data on the gadget.

    MSIL/Injector.QFQ popup alert might wrongly assert to be acquiring from a legislation enforcement establishment and will certainly report having located kid pornography or other illegal data on the device. The alert will likewise have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 04969A00
md5: c81a080b21db4b3f879c714cbf05ae4c
name: C81A080B21DB4B3F879C714CBF05AE4C.mlw
sha1: 5cc28502e7c99d7007c9b1df9cf0e8c9336d09e7
sha256: c061a361a4b6798a2d1924f582f38c74a9916540c8450aed9a620cc546466031
sha512: 6ee7f0fedc882ff02679dc50f4c463999b088913dab43dc22e717598a20e94fa6f74cbf41441b9586bb8615aecb541746968566df7ecbd53ca0ff0173be3f7ca
ssdeep: 24576:etthulc8lj6F7zRY6oBm8/9iQqZwn+9BwcGq6p2iJY4z/:Cuj6F5Y6C5/9ajUqO2m
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: 1997-2007 ACE Compression Software & e-merge GmbH
Assembly Version:
InternalName: tyyyy.exe
CompanyName: e-merge GmbH
Comments: WinAce Archiver v2.69
ProductName: WinAce Archiver
FileDescription: WinAce
OriginalFilename: tyyyy.exe

MSIL/Injector.QFQ also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055e39a1 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 99)
ALYac Gen:Variant.Bulz.581136
Cylance Unsafe
Zillya Trojan.Injector.Win32.447475
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Malware:Win32/Dorpal.ali1000029
K7GW Trojan ( 0055e39a1 )
Cybereason malicious.b21db4
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Injector.QFQ
APEX Malicious
Avast Win32:PWSX-gen [Trj]
Kaspersky HEUR:Trojan-Ransom.MSIL.Blocker.gen
BitDefender Gen:Variant.Bulz.581136
NANO-Antivirus Trojan.Win32.GenericKD.ejqynp
MicroWorld-eScan Gen:Variant.Bulz.581136
Tencent Win32.Trojan.Generic.Swuk
Ad-Aware Gen:Variant.Bulz.581136
Sophos Mal/Generic-S
Comodo Malware@#32g5d6977egt9
BitDefenderTheta Gen:NN.ZemsilF.34142.Cn0@aiCbTWc
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Blocker.R002C0GG921
McAfee-GW-Edition Artemis!Trojan
Emsisoft Gen:Variant.Bulz.581136 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1138716
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.1D4632F
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Backdoor:MSIL/Noancooe.C
ZoneAlarm HEUR:Trojan-Ransom.MSIL.Blocker.gen
GData Gen:Variant.Bulz.581136
McAfee Artemis!C81A080B21DB
MAX malware (ai score=100)
VBA32 CIL.HeapOverride.Heur
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_Blocker.R002C0GG921
Yandex Trojan.Agent!aasnJWIC+kU
Ikarus Trojan.MSIL.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/GenKryptik.EFX!tr
AVG Win32:PWSX-gen [Trj]

How to remove MSIL/Injector.QFQ virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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 MSIL/Injector.QFQ 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 MSIL/Injector.QFQ 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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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