Backdoor

Backdoor.Win32.Tofsee.dowr removal guide

Malware Removal

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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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.
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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: 5545D285
md5: d42469f27655d920e07a477d66cd8075
name: D42469F27655D920E07A477D66CD8075.mlw
sha1: 36ca1ae933220ef6b275786742571229707f0441
sha256: de72929ec2b53972fbb661bc77fb97bb14a49a2c2bf408e08c2e061accd01f5b
sha512: 804da9e846c894b2eb67d5c8fd5744f4833a1b7b26d80535664e5cdd87690e8a69bb0a124f51fbdb25e5ed7aef6893c00cebcd95a2bdd6d01ccc23a7f06b8fe1
ssdeep: 3072:vwiJSskZO1mtcy/2yac9Ai4ODvy2WW8sJyLH60S4VbmsyCa:YKSstmtcy31y2WW8szLcG
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.dowr also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.45225970
FireEyeGeneric.mg.d42469f27655d920
McAfeeRDN/Generic.grp
CylanceUnsafe
SangforMalware
BitDefenderTrojan.GenericKD.45225970
K7GWTrojan ( 005756061 )
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaGen:NN.ZexaF.34700.kmGfauh3mscc
CyrenW32/Kryptik.CVF.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/GenKryptik.EZFG
APEXMalicious
AvastWin32:DropperX-gen [Drp]
KasperskyBackdoor.Win32.Tofsee.dowr
Ad-AwareTrojan.GenericKD.45225970
F-SecureTrojan.TR/AD.Tofsee.ocnel
DrWebTrojan.Siggen11.56832
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
EmsisoftTrojan.GenericKD.45225970 (B)
AviraTR/AD.Tofsee.ocnel
MAXmalware (ai score=88)
MicrosoftTrojan:Win32/Glupteba!ml
ArcabitTrojan.Generic.D2B217F2
AhnLab-V3Trojan/Win32.Glupteba.R361154
ZoneAlarmBackdoor.Win32.Tofsee.dowr
GDataWin32.Backdoor.Tofsee.4DINW3
CynetMalicious (score: 100)
Acronissuspicious
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
RisingBackdoor.Agent!8.C5D (TFE:5:IhzqwXEXQUL)
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_88%
FortinetW32/Kryptik.HGHW!tr
AVGWin32:DropperX-gen [Drp]
Qihoo-360HEUR/QVM11.1.4022.Malware.Gen

How to remove Backdoor.Win32.Tofsee.dowr?

Backdoor.Win32.Tofsee.dowr 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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