Malware

MSIL/Agent.CNS removal tips

Malware Removal

The MSIL/Agent.CNS 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What MSIL/Agent.CNS virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Enumerates the modules from a process (may be used to locate base addresses in process injection)
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine MSIL/Agent.CNS?


File Info:

name: B3DDAE4055E65E277342.mlw
path: /opt/CAPEv2/storage/binaries/d084eb6099501cf005d4722df329e8f1acf32fedb88b85bb4fa5c5a90853d136
crc32: BBA09844
md5: b3ddae4055e65e2773429e03d66dd4b3
sha1: ab6f6358c9eb0c59e83ca2c002ba7a5c377eb82d
sha256: d084eb6099501cf005d4722df329e8f1acf32fedb88b85bb4fa5c5a90853d136
sha512: b8ecc9548159b51e307b8835736f61c26bde1aa926edca14565a676f325f805f6334644730adf6d1026cbaf146fe169bc3d2cbebe1441a26e6ced56474d0cc71
ssdeep: 1536:R35YXtul6H8FEn9NQkasq09+cCmA8qg7lmAAjXb3dosAG/uwxQuVLQYtyedJ:vYVd9NQkasq09Eg7EA8Xb3dT/D0Yt1
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14FC3F8467A588B13D6281876C0DB312833F1BEC72732E64B2F4E32AE19523967D5E5CD
sha3_384: d9975587c72ed95635726e48b24dfdf76c50b655b0adfde9fa6affe27072013ffdb01e69588cb5d3a43da670e036766e
ep_bytes: ff250020400000000000000000000000
timestamp: 2021-11-21 22:02:43

Version Info:

FileDescription: spark
FileVersion: 33.12.1000.125
InternalName: Spark
LegalCopyright: Copyright (C) 2011
OriginalFilename: Spark.exe
ProductName: spark
ProductVersion: 33.12.1000.125
Translation: 0x0804 0x04b0

MSIL/Agent.CNS also known as:

LionicTrojan.Multi.GenericML.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.38101657
FireEyeGeneric.mg.b3ddae4055e65e27
ALYacTrojan.GenericKD.38101657
CylanceUnsafe
K7AntiVirusTrojan ( 00560a551 )
AlibabaTrojan:MSIL/Revet.d04c7701
K7GWTrojan ( 00560a551 )
Cybereasonmalicious.8c9eb0
BitDefenderThetaGen:NN.ZemsilF.34294.hq0@ayi62ihH
CyrenW32/MSIL_Kryptik.AXY.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Agent.CNS
TrendMicro-HouseCallTROJ_GEN.R014C0RKN21
Paloaltogeneric.ml
KasperskyUDS:Trojan.Multi.GenericML.xnet
BitDefenderTrojan.GenericKD.38101657
AvastWin32:Trojan-gen
Ad-AwareTrojan.GenericKD.38101657
EmsisoftTrojan.GenericKD.38101657 (B)
F-SecureHeuristic.HEUR/AGEN.1136323
TrendMicroTROJ_GEN.R014C0RKN21
McAfee-GW-EditionArtemis
SophosML/PE-A + Mal/Revet-A
IkarusTrojan.MSIL.Agent
GDataWin32.Trojan.Agent.NOD8TH
MaxSecureTrojan.Malware.300983.susgen
AviraHEUR/AGEN.1136323
GridinsoftRansom.Win32.Sabsik.sa
ArcabitTrojan.Generic.D2456299
MicrosoftTrojan:Win32/Woreflint.A!cl
CynetMalicious (score: 99)
AhnLab-V3Trojan/Win.Injector.C4787272
McAfeeArtemis!B3DDAE4055E6
MAXmalware (ai score=80)
VBA32TScope.Trojan.MSIL
APEXMalicious
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_100%
FortinetMSIL/Agent.CNS!tr
AVGWin32:Trojan-gen
CrowdStrikewin/malicious_confidence_90% (W)

How to remove MSIL/Agent.CNS?

MSIL/Agent.CNS removal tool
  • 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.

About the author

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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