How to remove “MSIL/Agent.BU”?

The MSIL/Agent.BU 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.BU virus can do?

Reads data out of its own binary image
CAPE extracted potentially suspicious content
Authenticode signature is invalid

How to determine MSIL/Agent.BU?


File Info:
name: DD50F347E1D64E94E225.mlw
path: /opt/CAPEv2/storage/binaries/22ee5ed77408d8c0689a4f53cbf269160b01d41e2a3a67de52280722f4c4b585
crc32: 2E2F23C2
md5: dd50f347e1d64e94e2252a1a9ae9b044
sha1: 0abd37377d7cc0b95290b59b4a61bc3190afe20f
sha256: 22ee5ed77408d8c0689a4f53cbf269160b01d41e2a3a67de52280722f4c4b585
sha512: b0181f97e43314bf7d4257a512106df487f2df1774a667cbd7ca6efd7a6c975b1deb080364c2af541275583a93253720feffd2b300b8d7170c1d59ac30295c22
ssdeep: 768:nYFy1oviyPp58SMU5s1K+0MJ0H9fBZrvfH4R7z84NqDJN5J:nWy1oKyjM4MWd/vfHW7z8SqDh
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19733085537F1526BE6AC0E7294D573441339CECB4307E62A6ECE397A0EB27EA4D090E1
sha3_384: 5fbab92f3f3bfb75ecd0255063d0abab9bebf7d9dafb0b4be2283c675b573908d8fdae91e8b508f06f8b0f870a5410a7
ep_bytes: ff25349f400000005f436f724578654d
timestamp: 2012-01-27 16:44:28

Version Info:
Translation: 0x0000 0x04b0
FileDescription: Microsoft
FileVersion: 1.0.0.0
InternalName: Microsoft.exe
LegalCopyright: Copyright ©  2010
OriginalFilename: Microsoft.exe
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

MSIL/Agent.BU also known as:

Bkav	W32.AIDetectNet.01
ClamAV	Win.Trojan.Agent-1035276
FireEye	Generic.mg.dd50f347e1d64e94
Sangfor	Virus.Win32.Save.a
Cybereason	malicious.77d7cc
Cyren	W32/MSIL_Bladabindi.DV.gen!Eldorado
Symantec	Trojan.Gen.MBT
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/Agent.BU
APEX	Malicious
Paloalto	generic.ml
Cynet	Malicious (score: 99)
Kaspersky	UDS:DangerousObject.Multi.Generic
NANO-Antivirus	Trojan.Win32.MsilKlogD.cyphoi
Avast	Win32:Malware-gen
Sophos	ML/PE-A + Mal/Boom105-B
Comodo	Malware@#39afya6ctbi30
McAfee-GW-Edition	Generic BackDoor.adv
SentinelOne	Static AI – Malicious PE
Webroot	W32.Malware.gen
Avira	TR/Spy.Gen
Microsoft	Trojan:Win32/Wacatac.B!ml
Google	Detected
Acronis	suspicious
McAfee	Generic BackDoor.adv
Malwarebytes	Trojan.FakeMS.Gen
Rising	Trojan.Generic/MSIL@AI.94 (RDM.MSIL:m4kP0scEXJo+UZmLq5xWnw)
Ikarus	Trojan.SuspectCRC
Fortinet	MSIL/Generic.DN.13E91E!tr
BitDefenderTheta	Gen:NN.ZemsilF.34646.dm0@aqVF7X
AVG	Win32:Malware-gen
Panda	Trj/CI.A
CrowdStrike	win/malicious_confidence_90% (W)

How to remove MSIL/Agent.BU?

MSIL/Agent.BU 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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