Categories: Malware

What is “MSIL/Agent.CYT”?

The MSIL/Agent.CYT 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/Agent.CYT virus can do?

  • Dynamic (imported) function loading detected
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the AsyncRat malware family
  • Binary compilation timestomping detected

How to determine MSIL/Agent.CYT?


File Info:

name: 47A13988760A070BEA4E.mlwpath: /opt/CAPEv2/storage/binaries/c0ad821298148ff4aa41c1da95124ce0cd936336d5952bb2e3bdcb298f3f2fa1crc32: DA5D2F38md5: 47a13988760a070bea4e1cc3e37f6a75sha1: 55b3c0b5bd04f0869c41da6239d605857c376c1csha256: c0ad821298148ff4aa41c1da95124ce0cd936336d5952bb2e3bdcb298f3f2fa1sha512: 4109c5d1c74aeb3982a2375c1c6aad38a1b9453ba449e01ccf05a1bbb71a3d0099cb0c19c1a164849192be1173a0207cee864c11c7f2b407216cc214b7bdfdabssdeep: 49152:w1WGJuZ/2dOltSNXfbBs8m5NeaC29XNLH+tMWJ0+s9:w1uZltAbBj9aC29XVHgMWJ07type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T181950241DB88148BDC3AAF31E1B0E6994A7BE5D1B8DE9FAC119D3D1C3C547819C02BB9sha3_384: 6739aa684a954fe40e2d7a73ff59fcbaf330ba736fd1ab6e5d31eeb3b9e3c3e67fc06a3910a7929dbae3a930ce903763ep_bytes: ff250020400000000000000000000000timestamp: 2076-09-08 06:46:04

Version Info:

Translation: 0x0000 0x04b0Comments: CompanyName: FileDescription: FileVersion: 1.0.0.0InternalName: Stub.exeLegalCopyright: LegalTrademarks: OriginalFilename: Stub.exeProductName: ProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

MSIL/Agent.CYT also known as:

Lionic Trojan.MSIL.Crysan.m!c
Elastic malicious (high confidence)
MicroWorld-eScan IL:Trojan.MSILZilla.2050
FireEye Generic.mg.47a13988760a070b
CAT-QuickHeal Trojan.YakbeexMSIL.ZZ4
McAfee Artemis!47A13988760A
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0056c3561 )
Alibaba Backdoor:MSIL/Crysan.f46f9897
K7GW Trojan ( 0056c3561 )
Cybereason malicious.8760a0
Cyren W32/Trojan.WAZV-7165
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Agent.CYT
APEX Malicious
Avast Win32:RATX-gen [Trj]
Kaspersky HEUR:Backdoor.MSIL.Crysan.gen
BitDefender IL:Trojan.MSILZilla.2050
Rising Backdoor.AsyncRAT!1.C678 (CLASSIC)
Ad-Aware IL:Trojan.MSILZilla.2050
Emsisoft IL:Trojan.MSILZilla.2050 (B)
TrendMicro TROJ_GEN.R002C0WKQ21
McAfee-GW-Edition BehavesLike.Win32.Trojan.tc
Paloalto generic.ml
GData IL:Trojan.MSILZilla.2050
Avira HEUR/AGEN.1143184
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
BitDefenderTheta Gen:NN.ZemsilF.34062.7n0@aGoqyen
ALYac IL:Trojan.MSILZilla.2050
MAX malware (ai score=88)
Malwarebytes Backdoor.AsyncRAT
TrendMicro-HouseCall TROJ_GEN.R002C0WKQ21
Tencent Msil.Backdoor.Crysan.Pefx
Yandex Trojan.Agent!NVY6vQoby/w
SentinelOne Static AI – Malicious PE
Fortinet MSIL/CoinMiner.CFQ!tr
AVG Win32:RATX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove MSIL/Agent.CYT?

  • 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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