About “MSIL/TrojanDownloader.Small.COQ” infection

The MSIL/TrojanDownloader.Small.COQ is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

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What MSIL/TrojanDownloader.Small.COQ virus can do?

Network activity detected but not expressed in API logs
Anomalous binary characteristics

How to determine MSIL/TrojanDownloader.Small.COQ?


File Info:
crc32: 5E20EAF3
md5: b5979b0f9a4aa9f9d66fa8b99ed81c4e
name: B5979B0F9A4AA9F9D66FA8B99ED81C4E.mlw
sha1: 2c31dbab285e2c92d322971ce7211ed79edc0795
sha256: 70d98aff45c62335fc3aa32f7e6cca793e33654dad6012009c8d4a6dd3ac3695
sha512: e2e693861b45d49d41153bcb3cc1073ec10666dd002f185ad1db4fd90e59ec44c79f6e6527d993b1c0dd822cd9e0db0726935719d16c3666b5faf2a69943450c
ssdeep: 96:oz47ZJjGijtez/1+xaSHJOy0eSZhfJvZwAkzNt:VZsihex0aSQFvf9KAO
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: xa9 Valve Corporation
Assembly Version: 0.0.0.0
InternalName: H7XD5XZZHC.exe
FileVersion: 2.10.91.91
Comments: Steam
ProductName: Steam
ProductVersion: 2.10.91.91
FileDescription:  
OriginalFilename: H7XD5XZZHC.exe

MSIL/TrojanDownloader.Small.COQ also known as:

Lionic	Trojan.MSIL.Agent.4!c
Cylance	Unsafe
CrowdStrike	win/malicious_confidence_90% (W)
Cybereason	malicious.b285e2
Symantec	MSIL.Downloader!gen7
ESET-NOD32	a variant of MSIL/TrojanDownloader.Small.COQ
APEX	Malicious
Avast	FileRepMalware
Kaspersky	HEUR:Trojan-Spy.MSIL.Stealer.gen
BitDefenderTheta	Gen:NN.ZemsilF.34110.am0@am@HqHj
McAfee-GW-Edition	Artemis!Trojan
FireEye	Generic.mg.b5979b0f9a4aa9f9
SentinelOne	Static AI – Suspicious PE
eGambit	Unsafe.AI_Score_64%
Kingsoft	Win32.Troj.Undef.(kcloud)
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
McAfee	Artemis!B5979B0F9A4A
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Small.COQ!tr.dldr
AVG	FileRepMalware
Paloalto	generic.ml

How to remove MSIL/TrojanDownloader.Small.COQ?

MSIL/TrojanDownloader.Small.COQ removal tool

Download and install GridinSoft Anti-Malware.
Open GridinSoft Anti-Malware and perform a “Standard scan“.
“Move to quarantine” all items.
Open “Tools” tab – Press “Reset Browser Settings“.
Select proper browser and options – Click “Reset”.
Restart your computer.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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