Categories: Malware

MSILPerseus.3899 removal tips

The MSILPerseus.3899 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.3899 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • Sniffs keystrokes
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine MSILPerseus.3899?


File Info:

crc32: 75EE2BF5md5: 5b316303aa3ad842fe9f21545faeb1c1name: 5B316303AA3AD842FE9F21545FAEB1C1.mlwsha1: 72dd5b042ff43c11a2caab607b9377c21aff1f91sha256: 87881fb72b3d5bb179374d29bf8ef1a0b47e068d61d528896588742804c47255sha512: 71b57c0c9f03d9b6cf9036b1628a76cdf37e49e60e4e0d54ace1d5d45de5612ea42ea443486b5edbd44747f5e9938f3c2612da4994c5d840a567a2fb1ad10029ssdeep: 3072:Bm50AbTdZME+53FmDGNT7FZP+PmlWhlLiw:nAXYB1mD0//mPmlWhlmtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2013Assembly Version: 1.0.0.0InternalName: Server.exeFileVersion: 1.0.0.0ProductName: ServerProductVersion: 1.0.0.0FileDescription: ServerOriginalFilename: Server.exe

MSILPerseus.3899 also known as:

K7AntiVirus Trojan ( 0055e3e71 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader10.35306
Cynet Malicious (score: 85)
ALYac Gen:Variant.MSILPerseus.3899
Cylance Unsafe
Zillya Trojan.Blocker.Win32.17902
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:MSIL/Blocker.a75c0c6c
K7GW Trojan ( 0055e3e71 )
Cybereason malicious.3aa3ad
Cyren W32/Trojan.FDW.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 MSIL/Agent.OQA
APEX Malicious
Avast MSIL:GenMalicious-H [Trj]
ClamAV Win.Trojan.Bladbindi-1
Kaspersky Trojan-Ransom.Win32.Blocker.cwks
BitDefender Gen:Variant.MSILPerseus.3899
NANO-Antivirus Trojan.Win32.Blocker.covhtk
SUPERAntiSpyware Trojan.Agent/Gen-Dropper
MicroWorld-eScan Gen:Variant.MSILPerseus.3899
Tencent Win32.Trojan.Blocker.Swaz
Ad-Aware Gen:Variant.MSILPerseus.3899
Sophos Mal/Generic-S
Comodo Malware@#3eaekt1o921jh
BitDefenderTheta AI:Packer.25AA132D25
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.5b316303aa3ad842
Emsisoft Gen:Variant.MSILPerseus.3899 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.MSIL.Gen
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:MSIL/Bladabindi
Arcabit Trojan.MSILPerseus.DF3B
AegisLab Trojan.Win32.Generic.lIcA
GData Gen:Variant.MSILPerseus.3899
AhnLab-V3 Trojan/Win32.MDA.C349861
McAfee Artemis!5B316303AA3A
MAX malware (ai score=81)
VBA32 Hoax.Blocker
Panda Generic Malware
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Trojan.MSIL.Injector
Fortinet W32/Blocker.CWKS!tr
AVG MSIL:GenMalicious-H [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOUA

How to remove MSILPerseus.3899?

  • 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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