Categories: Malware

MSIL/Agent.ACU removal

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

  • Executable code extraction
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs

How to determine MSIL/Agent.ACU?


File Info:

crc32: C4C47B50md5: 99f52f966ef4db9673f32e4fd1d84c7dname: bitcoins.exesha1: 88e92734f14a995f6e3ee275e623ca2269053101sha256: a947fe028a7f3f534d935fceea3adeacc6f36d376abfc2ac30a3cc4c77c09fd7sha512: 6d4581bd45bd2b6c02a2021f3d8323e6d8e021a5b3ae6fc79d3e3edce55235f4ea2b67f69c414d8bf448c9483c6a3791966752572b8d0ebf5c7d3996b899c424ssdeep: 49152:atKKKKK3U3zQb8Mygm/27wiP3zQb8Mygm/27wiftL3zQb8Mygm/27wiZ:8KKKKKYrMytONbrMytONfdrMytONtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 Microsoft 2012Assembly Version: 1.0.0.0InternalName: Stub.exeFileVersion: 1.0.0.0CompanyName: MicrosoftLegalTrademarks: Comments: ProductName: ClientProductVersion: 1.0.0.0FileDescription: ClientOriginalFilename: Stub.exe

MSIL/Agent.ACU also known as:

DrWeb Trojan.PWS.Stealer.28139
MicroWorld-eScan Gen:Heur.MSIL.Krypt.2
FireEye Gen:Heur.MSIL.Krypt.2
CAT-QuickHeal Trojan.YakbeexMSIL.ZZ4
Qihoo-360 Generic/Backdoor.Spy.f85
McAfee GenericRXJA-IT!99F52F966EF4
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 004cd20d1 )
BitDefender Gen:Heur.MSIL.Krypt.2
K7GW Trojan ( 004cd20d1 )
CrowdStrike win/malicious_confidence_100% (W)
TrendMicro TROJ_GEN.R007C0DBN20
BitDefenderTheta Gen:NN.ZemsilF.34104.7o0@a4akg4o
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:RATX-gen [Trj]
GData MSIL.Trojan-Spy.Keylogger.I
Kaspersky HEUR:Backdoor.MSIL.SpyGate.gen
Alibaba Backdoor:MSIL/SpyGate.a3c7def1
NANO-Antivirus Trojan.Win32.SpyGate.gffeop
AegisLab Trojan.MSIL.SpyGate.m!c
Rising Backdoor.SpyGate!8.E154 (CLOUD)
Endgame malicious (high confidence)
Emsisoft Gen:Heur.MSIL.Krypt.2 (B)
F-Secure Trojan.TR/AD.KimsRat.fivja
Zillya Trojan.Agent.Win32.1167127
McAfee-GW-Edition GenericRXJA-IT!99F52F966EF4
Trapmine malicious.moderate.ml.score
Sophos Mal/SpyGate-A
Ikarus Trojan.MSIL.Agent
Cyren W32/Trojan.QETX-1919
Jiangmin Backdoor.MSIL.cbmt
Webroot Trojan.Dropper.Gen
Avira TR/AD.KimsRat.fivja
MAX malware (ai score=82)
Antiy-AVL Trojan[Backdoor]/MSIL.SpyGate
Microsoft Trojan:Win32/Skeeyah.A!rfn
Arcabit Trojan.MSIL.Krypt.2
ZoneAlarm HEUR:Backdoor.MSIL.SpyGate.gen
AhnLab-V3 Trojan/Win32.RL_HDC.C3532446
VBA32 TScope.Trojan.MSIL
Ad-Aware Gen:Heur.MSIL.Krypt.2
Malwarebytes Trojan.Agent.Gen
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/Agent.ACU
TrendMicro-HouseCall TROJ_GEN.R007C0DBN20
Tencent Msil.Backdoor.Spygate.Hxqb
Yandex Trojan.Agent!2AZDEnxDuks
SentinelOne DFI – Malicious PE
Fortinet MSIL/Agent.YW!tr
AVG Win32:RATX-gen [Trj]
Cybereason malicious.66ef4d
MaxSecure Trojan.Malware.10118638.susgen

How to remove MSIL/Agent.ACU?

  • 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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