Trojan

BScope.Trojan.Sourtoff (file analysis)

Malware Removal

The BScope.Trojan.Sourtoff 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 BScope.Trojan.Sourtoff virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • NtSetInformationThread: attempt to hide thread from debugger
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Expresses interest in specific running processes
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Executable file is packed/obfuscated with Themida
  • Authenticode signature is invalid
  • Detects Sandboxie through the presence of a library
  • Checks for the presence of known windows from debuggers and forensic tools
  • A process attempted to delay the analysis task by a long amount of time.
  • The following process appear to have been packed with Themida: ABA7A5A448B36DBFA899.mlw
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics

How to determine BScope.Trojan.Sourtoff?


File Info:

name: ABA7A5A448B36DBFA899.mlw
path: /opt/CAPEv2/storage/binaries/d35338c0787188f8e2e887f2722a8c8f2ecc635fc21e9f175a977db370bd183c
crc32: 6E09D2A4
md5: aba7a5a448b36dbfa8994547fb14e527
sha1: 368add11d7cd100d6b7fb0e5b616aab99f3281b8
sha256: d35338c0787188f8e2e887f2722a8c8f2ecc635fc21e9f175a977db370bd183c
sha512: 2c8d5ee9096e6223d9e4c670c77cd55d3941ac05844e13fd1e490e8dc914cf1a366db6e4261b8eca2c58e6e6b1a70b6067f0546024b88b80a1c4cae9723650b2
ssdeep: 98304:9Z55wwtewsQDgrS6Lp8X0nubKeiUr5DBXdFwyaonZ:P55vtNsQDiHLg5KeDN6yaW
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T199463335B8C2634CE3A0EF72399474A5D3581BB2CEAA75C1154F59FE0E09C3823E9667
sha3_384: d43b305413ae3916ccf9e00039363fc3e4759499ecfbe051958781f68b2823cf1db62c1a47c8926a3328c7a99c85522c
ep_bytes: e84b0100005389e3538b73088b7b10fc
timestamp: 2022-04-21 00:13:01

Version Info:

0: [No Data]

BScope.Trojan.Sourtoff also known as:

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Symmi.95399
FireEyeGeneric.mg.aba7a5a448b36dbf
McAfeeArtemis!ABA7A5A448B3
CylanceUnsafe
Cybereasonmalicious.448b36
BitDefenderThetaAI:Packer.FCBAE22B1E
SymantecML.Attribute.HighConfidence
TrendMicro-HouseCallTROJ_GEN.R01FC0WDP22
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Symmi.95399
NANO-AntivirusVirus.Win32.Gen-Crypt.ccnc
AvastWin32:Malware-gen
Ad-AwareGen:Variant.Symmi.95399
SophosGeneric ML PUA (PUA)
F-SecureTrojan.TR/Crypt.ZPACK.Gen
TrendMicroTROJ_GEN.R01FC0WDP22
McAfee-GW-EditionBehavesLike.Win32.Generic.tc
EmsisoftGen:Variant.Symmi.95399 (B)
SentinelOneStatic AI – Malicious PE
GDataGen:Variant.Symmi.95399
AviraTR/Crypt.ZPACK.Gen
MAXmalware (ai score=82)
Antiy-AVLTrojan/Generic.ASMalwS.356D3C6
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Generic.C4960485
VBA32BScope.Trojan.Sourtoff
ALYacGen:Variant.Symmi.95399
APEXMalicious
RisingTrojan.Generic@AI.100 (RDMK:cmRtazpTjSOEu7sxRjVhG5XMzovx)
YandexTrojan.Agent!DT1yyAoGLTU
IkarusTrojan.Crypt
FortinetW32/PossibleThreat
AVGWin32:Malware-gen
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (W)

How to remove BScope.Trojan.Sourtoff?

BScope.Trojan.Sourtoff 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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