MSIL/IRCBot.BJ (file analysis)

The MSIL/IRCBot.BJ 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/IRCBot.BJ virus can do?

Authenticode signature is invalid

How to determine MSIL/IRCBot.BJ?


File Info:
name: 25DB0CAF9947F46ED5D6.mlw
path: /opt/CAPEv2/storage/binaries/c34c06abd1c4b43c42e77f4026792c552d7f8b773bca4ba6af5553e02481dd6c
crc32: 1F9A116B
md5: 25db0caf9947f46ed5d64d3c7c4a47d4
sha1: 4d979596c15adcdb652107744941f157dc41405a
sha256: c34c06abd1c4b43c42e77f4026792c552d7f8b773bca4ba6af5553e02481dd6c
sha512: 87438fe9e291f86d5de049fb21eae01a594722ec0ac3d2a728551ee6d9657a4c9a5e6b24d2606724bab4b9be67929f8f75f90458a83fd772013da833a0740bfd
ssdeep: 768:hGQL95kaJT76prXAyx+V29AD7tJzYcHeWEc:hHL95/576p8h29UpY1
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T169F2C38073FA1A71E62A7AB60FF2D640C775F4164637E90F391891970BA7F429A533B0
sha3_384: 0191ea4fea05aae1a1a79d24f39b4c413b1f0251ed0a2b8598eeca66f1ed3ab2d8096f8d329dfb2e7de340f07565bd20
ep_bytes: ff250020400000000000000000000000
timestamp: 2012-07-24 02:36:36

Version Info:
Translation: 0x0000 0x04b0
Comments: Microsoft Windows Explorer
CompanyName: Microsoft
FileDescription: Windows Explorer
FileVersion: 4.2.1.0
InternalName: Explorer.exe
LegalCopyright: Copyright ©  2012
OriginalFilename: Explorer.exe
ProductName: Microsoft NT
ProductVersion: 4.2.1.0
Assembly Version: 4.1.4.5

MSIL/IRCBot.BJ also known as:

Lionic	Trojan.Win32.Drefir.4!c
MicroWorld-eScan	Gen:Heur.MSIL.Krypt.!cdmip!.2
ALYac	Gen:Heur.MSIL.Krypt.!cdmip!.2
Cylance	Unsafe
VIPRE	Gen:Heur.MSIL.Krypt.!cdmip!.2
Alibaba	Trojan:Win32/Drefir.5ea91b05
Cybereason	malicious.f9947f
Elastic	malicious (high confidence)
ESET-NOD32	MSIL/IRCBot.BJ
APEX	Malicious
Kaspersky	Trojan.Win32.Drefir.uk
BitDefender	Gen:Heur.MSIL.Krypt.!cdmip!.2
NANO-Antivirus	Trojan.Win32.Drefir.fcabbn
Avast	Win32:Malware-gen
Rising	Trojan.Drefir!8.31D6 (CLOUD)
Ad-Aware	Gen:Heur.MSIL.Krypt.!cdmip!.2
Emsisoft	Gen:Heur.MSIL.Krypt.!cdmip!.2 (B)
Comodo	Malware@#2w5sev4gy3h47
TrendMicro	TROJ_GEN.R03BC0WIU22
McAfee-GW-Edition	Artemis!Virus
FireEye	Gen:Heur.MSIL.Krypt.!cdmip!.2
Sophos	Mal/Generic-S
Ikarus	Trojan.MSIL.IRCBot
GData	Gen:Heur.MSIL.Krypt.!cdmip!.2
MAX	malware (ai score=99)
Arcabit	Trojan.MSIL.Krypt.!cdmip!.2
Microsoft	Trojan:Win32/Wacatac.B!ml
Google	Detected
McAfee	Artemis!25DB0CAF9947
VBA32	Trojan.MSIL.gen.a.3
TrendMicro-HouseCall	TROJ_GEN.R03BC0WIU22
Tencent	Win32.Trojan.Drefir.Xylw
SentinelOne	Static AI – Suspicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	W32/Drefir.BJ!tr
BitDefenderTheta	Gen:NN.ZemsilF.34698.cm0@aeC6Hoi
AVG	Win32:Malware-gen
CrowdStrike	win/malicious_confidence_70% (W)

How to remove MSIL/IRCBot.BJ?

MSIL/IRCBot.BJ 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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