Categories: Malware

What is “MSILPerseus.122735”?

The MSILPerseus.122735 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 MSILPerseus.122735 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine MSILPerseus.122735?


File Info:

name: B1C3E4F44F160DB09816.mlwpath: /opt/CAPEv2/storage/binaries/1b99986fc704eb134612dc1492631d04be322eb88f3cf5d8d519b1f05fd3663fcrc32: 5D6F5F49md5: b1c3e4f44f160db0981609ef6c3f60f1sha1: eadc67cd2eef347e6403e69153b6ecc976770a26sha256: 1b99986fc704eb134612dc1492631d04be322eb88f3cf5d8d519b1f05fd3663fsha512: 0ec00285d995543d0e577d1befb302346c3d24e5b4d2af6685903ec0365d3bd0942427ccc40e64f4ac499cff75706ba53d4eaf1e58eaf0608cfa34715bbad023ssdeep: 12288:q7MnXCwTruuJb4riMcD63QSBX9NnXCwTruuJb40nXCwTruuJb4n:aMEuJb4ORD6j9NEuJb40EuJb4ntype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T141A5A3F161084AB1E66FCB3960E1456713A1ACE38A21C9CF29B277BB173F9B1D5D140Esha3_384: b28178d85197301f9f07a8b8402a6c30abbb5f8927e9ae9fe0748850a3f5e458df1835f918a1fea5b845af7d903abc1bep_bytes: ff250020400000000000000000000000timestamp: 2016-02-23 14:55:23

Version Info:

Translation: 0x0000 0x04b0FileDescription: stubFileVersion: 1.0.0.0InternalName: stub.exeLegalCopyright: Copyright © 2016OriginalFilename: stub.exeProductName: stubProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

MSILPerseus.122735 also known as:

Bkav W32.AIDetectNet.01
MicroWorld-eScan Gen:Variant.MSILPerseus.122735
FireEye Generic.mg.b1c3e4f44f160db0
McAfee GenericRXFH-GB!B1C3E4F44F16
Cylance Unsafe
VIPRE Gen:Variant.MSILPerseus.122735
Sangfor Suspicious.Win32.Save.a
Cybereason malicious.44f160
Cyren W32/MSIL_Kryptik.GQN.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.BBQ
APEX Malicious
ClamAV Win.Packed.Disfa-7492112-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.MSILPerseus.122735
NANO-Antivirus Trojan.Win32.Gendal.dkkmka
Avast Win32:GenMaliciousA-ANP [Trj]
Ad-Aware Gen:Variant.MSILPerseus.122735
Emsisoft Gen:Variant.MSILPerseus.122735 (B)
DrWeb Trojan.DownLoader19.33223
McAfee-GW-Edition GenericRXFH-GB!B1C3E4F44F16
Sophos ML/PE-A
SentinelOne Static AI – Malicious PE
GData Gen:Variant.MSILPerseus.122735
Jiangmin Trojan.Generic.ojle
Webroot W32.Trojan.Dropper
Google Detected
Avira TR/Dropper.MSIL.Gen
Antiy-AVL Trojan/Generic.ASMalwS.3303
Arcabit Trojan.MSILPerseus.D1DF6F
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.Dacic.R182768
Acronis suspicious
ALYac Gen:Variant.MSILPerseus.122735
MAX malware (ai score=89)
VBA32 TScope.Trojan.MSIL
Malwarebytes Backdoor.NJRat
Rising Trojan.Generic/MSIL@AI.96 (RDM.MSIL:0HlR6EVAAUQOzserOw55RA)
Yandex Trojan.Agent!FZSk41uFH/c
Ikarus Trojan-PWS.SuspectCRC
Fortinet MSIL/Agent.LF!tr
BitDefenderTheta Gen:NN.ZemsilF.34646.!r3@amsXk7p
AVG Win32:GenMaliciousA-ANP [Trj]
CrowdStrike win/malicious_confidence_100% (D)

How to remove MSILPerseus.122735?

  • 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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