Categories: Malware

MSIL/Obfus-Z removal

The MSIL/Obfus-Z 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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What MSIL/Obfus-Z virus can do?

  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine MSIL/Obfus-Z?


File Info:

name: 3283E046B58CCD4FB559.mlwpath: /opt/CAPEv2/storage/binaries/8eeb9d580d78e10e505bb0714643084622f88a2de7681c465ef09a86e844fa9acrc32: 917E1756md5: 3283e046b58ccd4fb559b3a592ea9dcbsha1: 0da5b39e1a37a56425e3cc0a69e8ece2f0991347sha256: 8eeb9d580d78e10e505bb0714643084622f88a2de7681c465ef09a86e844fa9asha512: ebe92145d48cf0a7341e6fe8fb394ad06532ba698b206a176bc3985203d60040afd79ce646ae57cafeb9363e44dcac50c6104476b88800709319c379a4de2acbssdeep: 3072:SShk0m07A/e5QmAaBvPMZxkGBkV+NVcFNOzpsUTulZBE+8BfkjSu2vvBEEcRw8WM:h1hAGvPMZGp+NWFkyUTYv8KjmHBPpvAtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1BD347C0BF56468BDE19FD27B1C0B7D7A5D3478122B3DCE1BE2394B4A9C1518EE2428C6sha3_384: ab653485c601717174307cc29c2a6b4df1dd6d172af83b349729a92ba74ad9c3ce873bb16534666f19d114f97bcb341eep_bytes: ff250020400000000000000000000000timestamp: 2023-06-02 04:39:40

Version Info:

Translation: 0x0000 0x04b0FileDescription: FileVersion: 0.0.0.0InternalName: 3.exeLegalCopyright: OriginalFilename: 3.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

MSIL/Obfus-Z also known as:

Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.GenericFC.S27871908
ALYac IL:Trojan.MSILZilla.17516
Malwarebytes Trojan.Agent.MSIL
Sangfor Trojan.Win32.Save.a
Cybereason malicious.6b58cc
Arcabit IL:Trojan.MSILZilla.D446C
BitDefenderTheta Gen:NN.ZemsilF.36250.om0@a0nf9Ub
Cyren W32/Injector.AWR.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Injector.FCD
APEX Malicious
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender IL:Trojan.MSILZilla.17516
MicroWorld-eScan IL:Trojan.MSILZilla.17516
Avast Win32:InjectorX-gen [Trj]
Rising Malware.Obfus/MSIL@AI.100 (RDM.MSIL2:vei4fh5fe5UmPzSoh7EoEw)
Emsisoft IL:Trojan.MSILZilla.17516 (B)
F-Secure Trojan.TR/Dropper.Gen
DrWeb Trojan.InjectNET.14
VIPRE IL:Trojan.MSILZilla.17516
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Trapmine malicious.high.ml.score
FireEye Generic.mg.3283e046b58ccd4f
Sophos MSIL/Obfus-Z
Ikarus Trojan.MSIL.Injector
Avira TR/Dropper.Gen
MAX malware (ai score=87)
Microsoft VirTool:MSIL/ResInject!MTB
ZoneAlarm HEUR:Trojan.Win32.Generic
GData IL:Trojan.MSILZilla.17516
Google Detected
AhnLab-V3 Trojan/Win32.RL_Generic.C3984313
Acronis suspicious
Cylance unsafe
Panda Trj/GdSda.A
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Injector.FCD!tr
AVG Win32:InjectorX-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove MSIL/Obfus-Z?

  • 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.
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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