Categories: Backdoor

Backdoor.Win32.Tofsee.dowr removal guide

The Backdoor.Win32.Tofsee.dowr 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 Backdoor.Win32.Tofsee.dowr 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 0.0.0.0:7629
  • 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
  • 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
0.0.0.0.dnsbl.sorbs.net
0.0.0.0.bl.spamcop.net
0.0.0.0.zen.spamhaus.org
0.0.0.0.sbl-xbl.spamhaus.org
0.0.0.0.cbl.abuseat.org
www.instagram.com
msr.pool-pay.com
ip.pr-cy.hacklix.com
i.instagram.com
instagram.com

How to determine Backdoor.Win32.Tofsee.dowr?


File Info:

crc32: 5545D285md5: d42469f27655d920e07a477d66cd8075name: D42469F27655D920E07A477D66CD8075.mlwsha1: 36ca1ae933220ef6b275786742571229707f0441sha256: de72929ec2b53972fbb661bc77fb97bb14a49a2c2bf408e08c2e061accd01f5bsha512: 804da9e846c894b2eb67d5c8fd5744f4833a1b7b26d80535664e5cdd87690e8a69bb0a124f51fbdb25e5ed7aef6893c00cebcd95a2bdd6d01ccc23a7f06b8fe1ssdeep: 3072:vwiJSskZO1mtcy/2yac9Ai4ODvy2WW8sJyLH60S4VbmsyCa:YKSstmtcy31y2WW8szLcGtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

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

Backdoor.Win32.Tofsee.dowr also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45225970
FireEye Generic.mg.d42469f27655d920
McAfee RDN/Generic.grp
Cylance Unsafe
Sangfor Malware
BitDefender Trojan.GenericKD.45225970
K7GW Trojan ( 005756061 )
CrowdStrike win/malicious_confidence_100% (D)
BitDefenderTheta Gen:NN.ZexaF.34700.kmGfauh3mscc
Cyren W32/Kryptik.CVF.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenKryptik.EZFG
APEX Malicious
Avast Win32:DropperX-gen [Drp]
Kaspersky Backdoor.Win32.Tofsee.dowr
Ad-Aware Trojan.GenericKD.45225970
F-Secure Trojan.TR/AD.Tofsee.ocnel
DrWeb Trojan.Siggen11.56832
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
Emsisoft Trojan.GenericKD.45225970 (B)
Avira TR/AD.Tofsee.ocnel
MAX malware (ai score=88)
Microsoft Trojan:Win32/Glupteba!ml
Arcabit Trojan.Generic.D2B217F2
AhnLab-V3 Trojan/Win32.Glupteba.R361154
ZoneAlarm Backdoor.Win32.Tofsee.dowr
GData Win32.Backdoor.Tofsee.4DINW3
Cynet Malicious (score: 100)
Acronis suspicious
Malwarebytes Trojan.MalPack.GS
Panda Trj/Genetic.gen
Rising Backdoor.Agent!8.C5D (TFE:5:IhzqwXEXQUL)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_88%
Fortinet W32/Kryptik.HGHW!tr
AVG Win32:DropperX-gen [Drp]
Qihoo-360 HEUR/QVM11.1.4022.Malware.Gen

How to remove Backdoor.Win32.Tofsee.dowr?

  • 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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