Categories: Backdoor

BScope.Backdoor.Tofsee removal tips

The BScope.Backdoor.Tofsee 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.Backdoor.Tofsee virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • At least one process apparently crashed during execution
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Attempts to connect to a dead IP:Port (5 unique times)
  • Starts servers listening on 0.0.0.0:6087
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Georgian
  • Uses Windows utilities for basic functionality
  • Enumerates services, possibly for anti-virtualization
  • Executed a process and injected code into it, probably while unpacking
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Installs itself for autorun at Windows startup
  • A possible cryptomining command was executed
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Anomalous binary characteristics

Related domains:

microsoft-com.mail.protection.outlook.com
181.86.68.138.dnsbl.sorbs.net
181.86.68.138.bl.spamcop.net
181.86.68.138.zen.spamhaus.org
181.86.68.138.sbl-xbl.spamhaus.org
181.86.68.138.cbl.abuseat.org
msr.pool.gntl.co.uk

How to determine BScope.Backdoor.Tofsee?


File Info:

crc32: 31131BAEmd5: b0615d7980550b0d271e1abbfceca9dfname: B0615D7980550B0D271E1ABBFCECA9DF.mlwsha1: f7dbe5d1dd6069adea0105b3c2a0204086892718sha256: 1036e55bae6a12d05677589f661b60d4c46fa92b814b4610ccc4a85eb30bb0e4sha512: 71cb6b233d32f5b98d5d9ff85fa2a52dfff63f86f22a173611a343d10fa09b4b412ead67dbc0922015e694063d96ec083c748090e0a4ca4077f476a144bd649bssdeep: 24576:D/OhO6zfZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ:zOhtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: startrek.udaFileV: 1.2.9

BScope.Backdoor.Tofsee also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.69387
FireEye Generic.mg.b0615d7980550b0d
Qihoo-360 HEUR/QVM20.1.3967.Malware.Gen
ALYac Trojan.GenericKDZ.69387
Cylance Unsafe
Sangfor Malware
BitDefender Trojan.GenericKDZ.69387
TrendMicro Mal_Tofsee
Cyren W32/Kryptik.BZD.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DropperX-gen [Drp]
ClamAV Win.Packed.Tofsee-9269577-0
Kaspersky HEUR:Trojan.Win32.AntiAV.pef
Ad-Aware Trojan.GenericKDZ.69387
Sophos Mal/Kryptik-EA
F-Secure Heuristic.HEUR/AGEN.1138815
DrWeb Trojan.Siggen10.60362
Invincea Mal/Kryptik-EA
McAfee-GW-Edition BehavesLike.Win32.Trojan.vh
Emsisoft Trojan.GenericKDZ.69387 (B)
Avira HEUR/AGEN.1138815
Antiy-AVL Trojan[Backdoor]/Win32.Tofsee
Microsoft Trojan:Win32/Glupteba.DSI!MTB
Gridinsoft Trojan.Heur!.02812021
Arcabit Trojan.Generic.D10F0B
ZoneAlarm HEUR:Trojan.Win32.AntiAV.pef
GData Trojan.GenericKDZ.69387
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.MalPe.R347364
Acronis suspicious
McAfee Packed-GCZ!B0615D798055
MAX malware (ai score=80)
VBA32 BScope.Backdoor.Tofsee
Malwarebytes Trojan.MalPack.GS
ESET-NOD32 a variant of Win32/Kryptik.HFLV
TrendMicro-HouseCall Mal_Tofsee
Rising Trojan.Kryptik!1.CA64 (CLASSIC)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.HFTR!tr
AVG Win32:DropperX-gen [Drp]
CrowdStrike win/malicious_confidence_100% (D)
MaxSecure Trojan.Malware.300983.susgen

How to remove BScope.Backdoor.Tofsee?

  • 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.
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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