MSIL/Obfus-U (file analysis)

The MSIL/Obfus-U 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.

6-day free trial available.

What MSIL/Obfus-U virus can do?

Dynamic (imported) function loading detected
CAPE extracted potentially suspicious content
Authenticode signature is invalid
Binary compilation timestomping detected

How to determine MSIL/Obfus-U?


File Info:
name: 39491E04344B17A51B21.mlw
path: /opt/CAPEv2/storage/binaries/4f78e3e6168a3fb5c25640dce8ff37c8dd2d5a9ef551563a5c1dde1fbe778cb9
crc32: D8DC2530
md5: 39491e04344b17a51b21883e3d5ee065
sha1: 7219cf298971cf2023d0f78221cc4f6b3167da9d
sha256: 4f78e3e6168a3fb5c25640dce8ff37c8dd2d5a9ef551563a5c1dde1fbe778cb9
sha512: 996c527617b7f8a0092fa25a536280e049ceb108cf54c0f7f9ac600469d1dc005f18661a338712866cdcf0ee2b5d865298a3a20f56de8565f80e7c4f2c99d406
ssdeep: 1536:NS5m6/v6/vsNfbSN+alhi9oB3CBrooaIXeYeW4Pgl04G:NS5m6/v6/vsNfbSN+al4RCuM4G
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T177A3E528F9C4DA46E21915358E09D1E2B6F1EC222E17F64FFDC6B7AD1834BD166188C3
sha3_384: 8f12394e13c2cee332a463ef76250871c56abe26417faab363cf32ec7464f6b0207d471cc43c9f90b6ed65fe1a6699ba
ep_bytes: ff250020400000000000000000000000
timestamp: 2060-08-10 18:37:07

Version Info:
Translation: 0x0000 0x04b0
Comments: 
CompanyName: 
FileDescription: RobloxSenseInjector
FileVersion: 1.0.0.0
InternalName: injector.exe
LegalCopyright: Copyright ©  2022
LegalTrademarks: 
OriginalFilename: injector.exe
ProductName: RobloxSenseInjector
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

MSIL/Obfus-U also known as:

Bkav	W32.AIDetectNet.01
Elastic	malicious (high confidence)
FireEye	Generic.mg.39491e04344b17a5
Cyren	W32/MSIL_Kryptik.FYK.gen!Eldorado
ESET-NOD32	a variant of MSIL/Packed.Confuser.K suspicious
APEX	Malicious
Sophos	MSIL/Obfus-U
Ikarus	Trojan.ATRAPS
Avira	TR/ATRAPS.Gen
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
Cynet	Malicious (score: 99)
VBA32	CIL.HeapOverride.Heur
Rising	Trojan.Generic/MSIL@AI.100 (RDM.MSIL:2kkiloARDSbsvMvJ1PXf5Q)
SentinelOne	Static AI – Malicious PE
BitDefenderTheta	Gen:NN.ZemsilF.34742.gm0@aCCB7ip
Cybereason	malicious.98971c

How to remove MSIL/Obfus-U?

MSIL/Obfus-U 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.

Leave a Comment X