Backdoor

Backdoor.Win32.Tofsee.dowf removal guide

Malware Removal

The Backdoor.Win32.Tofsee.dowf 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.
6-day free trial available.

What Backdoor.Win32.Tofsee.dowf virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Attempts to connect to a dead IP:Port (19 unique times)
  • Starts servers listening on 0.0.0.0:5809
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Ukrainian
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • 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
  • Makes SMTP requests, possibly sending spam or exfiltrating data.
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz
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-pay.com
i.instagram.com
www.instagram.com
www.google.co.uk
www.google.ru
ip.pr-cy.hacklix.com

How to determine Backdoor.Win32.Tofsee.dowf?


File Info:

crc32: CBB2161C
md5: 000b21a6ac8f5d5fa950eed455556dd2
name: 000B21A6AC8F5D5FA950EED455556DD2.mlw
sha1: fe11975ba2efbc981619ea51f0875e65598a1daf
sha256: 91568fbf16eb6e6c8e6e633163ef0ff94ca4956195438c61d1023614d6f18fa5
sha512: 5205e5078bbb66f543541f7af3f463ea948c2c76df3d8fb4d4e1e50ef5dd2cd28352a9c73787d73d8a0996dce2d981ba03ca55ea342615df39e12510bbfe460f
ssdeep: 3072:H5anC4rOW34dXLr4vz5HR1g9TKaXxNeWzfA55AAVy:HbSKQvlHqPN9zAjAs
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalSurname: debaukd.ekze
Prod: 1.2.7
FileVersions: 1.0.5.6
LegalCo: Copyri (C) 2019, permudationz

Backdoor.Win32.Tofsee.dowf also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.35906452
McAfeeArtemis!000B21A6AC8F
AegisLabTrojan.Win32.Malicious.4!c
SangforMalware
BitDefenderTrojan.GenericKD.35906452
CyrenW32/Kryptik.CVF.gen!Eldorado
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:DropperX-gen [Drp]
KasperskyBackdoor.Win32.Tofsee.dowf
AlibabaTrojan:Win32/Zenpack.79f68519
Ad-AwareTrojan.GenericKD.35906452
EmsisoftTrojan.GenericKD.35906452 (B)
DrWebTrojan.PWS.Siggen2.58526
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
FireEyeGeneric.mg.000b21a6ac8f5d5f
SentinelOneStatic AI – Malicious PE
WebrootW32.Malware.Gen
MicrosoftBackdoor:Win32/Tofsee.T
ZoneAlarmBackdoor.Win32.Tofsee.dowf
GDataWin32.Backdoor.Tofsee.DS1902
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Glupteba.R361154
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.34700.kmGfa4j8D9nc
MAXmalware (ai score=80)
MalwarebytesTrojan.MalPack.GS
ESET-NOD32a variant of Win32/GenKryptik.EZEZ
RisingBackdoor.Agent!8.C5D (TFE:5:IhzqwXEXQUL)
eGambitUnsafe.AI_Score_89%
FortinetW32/Kryptik.HGHW!tr
AVGWin32:DropperX-gen [Drp]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Backdoor.Win32.Tofsee.dowf?

Backdoor.Win32.Tofsee.dowf 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.

Leave a Comment