Categories: Malware

Should I remove “MSILPerseus.177311”?

The MSILPerseus.177311 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.177311 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid

How to determine MSILPerseus.177311?


File Info:

name: 05BB2C8ECBECA9467C29.mlwpath: /opt/CAPEv2/storage/binaries/78cc426b91ece44088a806b8f1e31e8b59fc03bb3a46b439be205f73b28af1cbcrc32: 6225AEE3md5: 05bb2c8ecbeca9467c29c10dd6c17e71sha1: d000b324f6bd4d8735b67ea9a50499fba11ace1bsha256: 78cc426b91ece44088a806b8f1e31e8b59fc03bb3a46b439be205f73b28af1cbsha512: d81344135a052473b2b37cf93d8f15c802ca078c200f9e62c23cb2b5c7c4ec0e33469ab459d4c40b92f3748981c9ebcdb39acafed1311f3cdbf129ec6db4087fssdeep: 3072:ZVMBq2K9djkoVdOl9OL97+gMwaF8353M8fAb:179ncOL97JH3HAtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10BA3E15286514220D16E0EB99A239A824F778F46AD5FB75944E4FF903BB73C2C523F12sha3_384: 9a9ccd4c30382887e8f9e560f64bef074f191244f837da1cd7017faf7bad6045c571ecfedeedba83c382f272551d15d3ep_bytes: ff250020400000000000000000000000timestamp: 2018-12-19 18:20:48

Version Info:

Translation: 0x0000 0x04b0FileDescription: avi vsFileVersion: 1.0.0.0InternalName: avi vs.exeLegalCopyright: Copyright © 2018OriginalFilename: avi vs.exeProductName: avi vsProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

MSILPerseus.177311 also known as:

Bkav W32.AIDetectNet.01
Lionic Riskware.MSIL.Snojan.1!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.MSILPerseus.177311
FireEye Generic.mg.05bb2c8ecbeca946
CAT-QuickHeal Trojan.YakbeexMSIL.ZZ4
ALYac Gen:Variant.MSILPerseus.177311
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan-Downloader ( 0053bedc1 )
Alibaba Trojan:MSIL/Skeeyah.83129d40
K7GW Trojan-Downloader ( 0053bedc1 )
Cybereason malicious.ecbeca
ESET-NOD32 a variant of MSIL/TrojanDownloader.Agent.EZB
APEX Malicious
Paloalto generic.ml
Kaspersky not-a-virus:HEUR:Downloader.MSIL.Snojan.gen
BitDefender Gen:Variant.MSILPerseus.177311
NANO-Antivirus Trojan.Win32.Snojan.flvixg
Avast Win32:Trojan-gen
Tencent Msil.Trojan-downloader.Agent.Gbz
Ad-Aware Gen:Variant.MSILPerseus.177311
Emsisoft Gen:Variant.MSILPerseus.177311 (B)
Comodo Malware@#3b3t0hclhygo0
DrWeb Trojan.Siggen4.41561
Zillya Downloader.Agent.Win32.375566
McAfee-GW-Edition GenericRXGM-AD!05BB2C8ECBEC
Trapmine suspicious.low.ml.score
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
GData Gen:Variant.MSILPerseus.177311
Webroot W32.Malware.Gen
Avira TR/Dldr.Agent.kgolr
Microsoft Trojan:Win32/Skeeyah.A!bit
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.DownLoader.C2951842
McAfee GenericRXGM-AD!05BB2C8ECBEC
VBA32 TScope.Trojan.MSIL
Rising Trojan.Generic/MSIL@AI.91 (RDM.MSIL:aFeZLdEh+hHzExHqLRCUTQ)
Yandex PUA.Downloader!WBcjrKrOTYs
Ikarus Trojan-Dropper.MSIL.Agent
MaxSecure Trojan.Malware.73706141.susgen
Fortinet MSIL/Agent.FHT!tr.dldr
BitDefenderTheta Gen:NN.ZemsilF.34712.gq0@aWKeR2g
AVG Win32:Trojan-gen
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (W)

How to remove MSILPerseus.177311?

  • 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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