Backdoor

Should I remove “Backdoor:MSIL/IRCbot.L!bit”?

Malware Removal

The Backdoor:MSIL/IRCbot.L!bit 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 Backdoor:MSIL/IRCbot.L!bit virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (3 unique times)
  • Creates RWX memory
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Looks up the external IP address
  • Steals private information from local Internet browsers
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself

Related domains:

z.whorecord.xyz
a.tomx.xyz
ipinfo.io

How to determine Backdoor:MSIL/IRCbot.L!bit?


File Info:

crc32: FF30EF74
md5: f311e6302a48c06c0b6e16c7b13a0fad
name: upload_file
sha1: 67f8f82458c36cd68bd84300569dd1d85c06cbc6
sha256: f86cec27f1e551d8f50b50ff94e0e102a35ad958be7a56e2bfdeac0ea14ade7d
sha512: 1d3c80d7e13766dec2e0224c2ac92bc5897049ab8b99c5c0eab06551be8e61bf6f512f13fd1cd405e0a35d660ff7afd2329f71419e752bb4781b7f4ab8ca14aa
ssdeep: 3072:+rm2Hn/NYaUDpO/eOIy1ogqFu/M+a6T74eFkx95jsY8O5KlDO:+rfnlYX6Iy1Pt/M+aOBFM9qOQw
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2019
Assembly Version: 1.0.0.0
InternalName: SeafkoAgent.exe
FileVersion: 1.0.0.0
CompanyName: Microsoft
LegalTrademarks: SAEFKO
Comments: Windows Explorer
ProductName: Windows Explorer
ProductVersion: 1.0.0.0
FileDescription: Windows Explorer
OriginalFilename: SeafkoAgent.exe

Backdoor:MSIL/IRCbot.L!bit also known as:

Elasticmalicious (high confidence)
DrWebTrojan.DownLoader27.33680
MicroWorld-eScanGen:Variant.MSILPerseus.172506
CAT-QuickHealTrojan.YakbeexMSIL.ZZ4
ALYacGen:Variant.MSILPerseus.172506
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Ircbot.4!c
SangforMalware
CrowdStrikewin/malicious_confidence_80% (D)
BitDefenderGen:Variant.MSILPerseus.172506
K7GWBackdoor ( 005422d41 )
K7AntiVirusTrojan ( 00562f821 )
InvinceaMal/Generic-S
BitDefenderThetaGen:NN.ZemsilF.34298.jm1@aCB6Gmk
CyrenW32/MSIL_Perseus.P.gen!Eldorado
SymantecTrojan Horse
APEXMalicious
AvastWin32:Trojan-gen
ClamAVWin.Packed.Razy-9770980-0
KasperskyHEUR:Trojan-Spy.MSIL.Stealer.gen
AlibabaBackdoor:MSIL/IRCbot.d1388316
NANO-AntivirusTrojan.Win32.IRCBot.gnaavl
Ad-AwareGen:Variant.MSILPerseus.172506
SophosMal/Generic-S
ComodoMalware@#2y1b06h34aazs
F-SecureTrojan.TR/BAS.Samca.pgmex
TrendMicroBackdoor.MSIL.IRCBOT.SMF
McAfee-GW-EditionGenericRXKU-OL!F311E6302A48
FireEyeGeneric.mg.f311e6302a48c06c
EmsisoftGen:Variant.MSILPerseus.172506 (B)
SentinelOneDFI – Malicious PE
JiangminTrojanSpy.MSIL.aflz
AviraTR/BAS.Samca.pgmex
Antiy-AVLTrojan[Spy]/MSIL.Stealer
MicrosoftBackdoor:MSIL/IRCbot.L!bit
ArcabitTrojan.MSILPerseus.D2A1DA
SUPERAntiSpywareBackdoor.IRCBot/Variant
ZoneAlarmHEUR:Trojan-Spy.MSIL.Stealer.gen
GDataGen:Variant.MSILPerseus.172506
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.MSIL.R293405
McAfeeGenericRXKU-OL!F311E6302A48
VBA32TScope.Trojan.MSIL
MalwarebytesBackdoor.IRCBot
PandaTrj/CI.A
ZonerTrojan.Win32.86110
ESET-NOD32MSIL/IRCBot.GB
TrendMicro-HouseCallBackdoor.MSIL.IRCBOT.SMF
RisingBackdoor.Saefko!1.C93F (CLASSIC)
YandexTrojan.IRCBot!BjGgAJFZolI
MAXmalware (ai score=100)
MaxSecureTrojan.Malware.73709669.susgen
FortinetMSIL/IRCBot.GB!tr
WebrootW32.Trojan.Gen
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Generic/Trojan.Spy.67f

How to remove Backdoor:MSIL/IRCbot.L!bit?

Backdoor:MSIL/IRCbot.L!bit 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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