Backdoor

How to remove “Backdoor:Win32/Orbot.A”?

Malware Removal

The Backdoor:Win32/Orbot.A 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:Win32/Orbot.A virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • Created a service that was not started
  • Uses suspicious command line tools or Windows utilities

How to determine Backdoor:Win32/Orbot.A?


File Info:

name: 68D9119DAFD59B9DCA2C.mlw
path: /opt/CAPEv2/storage/binaries/87a44712b8d4218154686e1ec4c1ba6da4ca5ef85df6b989812444e8997dbb6c
crc32: 9E9D4175
md5: 68d9119dafd59b9dca2cff36e4b43b12
sha1: f72e78343d52873bb0a66bb451497a50e7d80a19
sha256: 87a44712b8d4218154686e1ec4c1ba6da4ca5ef85df6b989812444e8997dbb6c
sha512: 730c947bacfa54f5f89988592317e52c0a968cc0ad74386deb4c31fd37e6f4c15e42ec4217fbf783927132feb1cffc1aae5248bc10e318e961b6efdac517f7cc
ssdeep: 12288:faWzgMg7v3qnCiMErQohh0F4CCJ8lnyC8r3w/z81iel4u:CaHMv6CorjqnyC8r3qg1ielT
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T145F4B012B3D680F6D9A33971297BE32BDB3575194337C4CBA7E02E778E211509A3A361
sha3_384: f038fbf3469d14b2a39cc7b0e36abd724d8456f3442bf076566128962022b4bc5be5d3c50a534a3e05721ce64151f440
ep_bytes: e8a7c00000e979feffffcccccccccccc
timestamp: 2010-04-16 07:47:33

Version Info:

FileDescription:
FileVersion: 3, 3, 6, 1
CompiledScript: AutoIt v3 Script: 3, 3, 6, 1
Translation: 0x0809 0x04b0

Backdoor:Win32/Orbot.A also known as:

BkavW32.AIDetect.malware2
DrWebProgram.Minkeylog.38
MicroWorld-eScanTrojan.AutoIt.ARC
FireEyeGeneric.mg.68d9119dafd59b9d
McAfeeArtemis!68D9119DAFD5
CylanceUnsafe
ZillyaTrojan.Agent.Win32.181287
AlibabaTrojanSpy:Win32/PCAgent.31e5e526
Cybereasonmalicious.dafd59
BitDefenderThetaGen:NN.ZexaF.34294.huW@aePXt2oi
SymantecTrojan.Gen.2
ESET-NOD32Win32/Agent.THW
TrendMicro-HouseCallTROJ_SPNR.30B713
Paloaltogeneric.ml
ClamAVWin.Trojan.Orbot-1
KasperskyTrojan.Win32.Autoit.aqp
BitDefenderTrojan.AutoIt.ARC
NANO-AntivirusTrojan.Win32.Ghaemo.etebm
AvastWin32:Malware-gen
Ad-AwareTrojan.AutoIt.ARC
SophosMal/Generic-L
ComodoSuspicious@#1ezb2mz78ztf4
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_SPNR.30B713
McAfee-GW-EditionBehavesLike.Win32.Dropper.bh
EmsisoftTrojan.AutoIt.ARC (B)
GDataTrojan.AutoIt.ARC
AviraTR/Drop.Ghaemo.A
MAXmalware (ai score=100)
Antiy-AVLTrojan/Generic.ASMalwS.838DCA
KingsoftWin32.Troj.PCAgent.co.(kcloud)
ArcabitTrojan.AutoIt.ARC
MicrosoftBackdoor:Win32/Orbot.A
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.PbBot.R13552
VBA32Trojan.Autoit.Obf
ALYacTrojan.AutoIt.ARC
APEXMalicious
TencentTrojan.Win32.BitCoinMiner.la
YandexTrojan.GenAsa!ZsBo837ZzZI
IkarusTrojan-Spy.Win32.PCAgent
MaxSecureWin.MxResIcn.Heur.Gen
FortinetW32/Agent.THW
WebrootW32.Trojan.Agent.Gen
AVGWin32:Malware-gen
PandaTrj/CI.A
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Backdoor:Win32/Orbot.A?

Backdoor:Win32/Orbot.A 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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