Backdoor

Backdoor.Simbot.G4 information

Malware Removal

The Backdoor.Simbot.G4 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.Simbot.G4 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Deletes its original binary from disk
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine Backdoor.Simbot.G4?


File Info:

crc32: 0979E352
md5: a0f1df495d57c087584a3d0d7d852112
name: A0F1DF495D57C087584A3D0D7D852112.mlw
sha1: fc2e8466939120f085c5fdb70c21b98c26e0253a
sha256: fb382999b5e8be4dd3d700fb2da67df82b35d441e8689576cece217772fff2b8
sha512: b183a4ef99511bd025e785ffdb8a27e1fe0718246e59410465e2cffd57ce9857fabccf7c2bc6608f09c704598da7dbb4dc712570d3d0c0bbd422764a040c646d
ssdeep: 384:F2/Mj60JBacWLIWNaKYuLP80l8IzafzdBiJAkstNvS4Qy7kQ81nkHv:FcsZI3LHdP80leriJAkszS4Qwk7Y
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright ? 1996-2010 Adobe, Inc.
InternalName: Adobe? Flash? Player Installer/Uninstaller 10.1
FileVersion: 10,1,53,64
CompanyName: Adobe Systems, Inc.
LegalTrademarks: Adobe? Flash? Player
ProductName: Flash? Player Installer/Uninstaller
ProductVersion: 10,1,53,64
FileDescription: Adobe? Flash? Player Installer/Uninstaller 10.1 r53
OriginalFilename: FlashUtil.exe
Translation: 0x0409 0x04b0

Backdoor.Simbot.G4 also known as:

BkavW32.InNhcA.Worm
Elasticmalicious (high confidence)
DrWebTrojan.DownLoader6.7800
MicroWorld-eScanGen:Variant.Zusy.320925
FireEyeGeneric.mg.a0f1df495d57c087
CAT-QuickHealBackdoor.Simbot.G4
Qihoo-360Win32/Trojan.d1c
ALYacGen:Variant.Zusy.320925
CylanceUnsafe
VIPRETrojan.Win32.Inject.cj (v)
AegisLabTrojan.Win32.Inject.lJhA
SangforMalware
K7AntiVirusTrojan ( 001f574c1 )
BitDefenderGen:Variant.Zusy.320925
K7GWTrojan ( 001fbdf71 )
Cybereasonmalicious.95d57c
BitDefenderThetaAI:Packer.4CE631F61F
CyrenW32/A-493428c6!Eldorado
SymantecTrojan Horse
APEXMalicious
AvastWin32:Taidoor-D [Trj]
ClamAVWin.Trojan.Injector-6297684-0
KasperskyTrojan.Win32.Inject.azgw
AlibabaTrojan:Win32/Dorv.8d7d5720
NANO-AntivirusTrojan.Win32.Inject.dwskba
ViRobotBackdoor.Win32.Simbot.27136
TencentTrojan.Win32.Inject.bbyoa
Ad-AwareGen:Variant.Zusy.320925
EmsisoftGen:Variant.Zusy.320925 (B)
ComodoTrojWare.Win32.Inject.ka@4o81ww
F-SecureTrojan.TR/Crypt.ZPACK.Gen
BaiduWin32.Trojan.Inject.bf
ZillyaTrojan.InjectGen.Win32.5
TrendMicroTROJ_KRYPTK.SMS
McAfee-GW-EditionBehavesLike.Win32.Backdoor.mh
SophosML/PE-A + Troj/Simbot-J
IkarusTrojan.Win32.Injector
JiangminTrojan.Inject.bqyk
AviraTR/Crypt.ZPACK.Gen
MAXmalware (ai score=84)
Antiy-AVLTrojan/Win32.Inject.azgw
MicrosoftTrojan:Win32/Dorv.A
ArcabitTrojan.Zusy.D4E59D
SUPERAntiSpywareTrojan.Agent/Gen-Kazy
ZoneAlarmTrojan.Win32.Inject.azgw
GDataGen:Variant.Zusy.320925
CynetMalicious (score: 100)
AhnLab-V3Backdoor/Win32.CSon.R7666
Acronissuspicious
McAfeeBackDoor-EYG
VBA32SScope.Backdoor.Simbot
MalwarebytesSimbot.Backdoor.Stealer.DDS
PandaGeneric Suspicious
ESET-NOD32a variant of Win32/Injector.ELH
TrendMicro-HouseCallTROJ_KRYPTK.SMS
RisingMalware.Obscure/Heur!1.A89E (CLOUD)
YandexTrojan.GenAsa!0BbFmfh8pGM
SentinelOneStatic AI – Malicious PE – Spyware
eGambitUnsafe.AI_Score_99%
FortinetW32/Injector.ELH!tr
AVGWin32:Taidoor-D [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureTrojan.Malware.1613479.susgen

How to remove Backdoor.Simbot.G4?

Backdoor.Simbot.G4 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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