Backdoor

How to remove “Backdoor.Win32.Tofsee.doxp”?

Malware Removal

The Backdoor.Win32.Tofsee.doxp 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.doxp 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 (28 unique times)
  • Starts servers listening on 0.0.0.0:8579
  • 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:

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
www.instagram.com
msr.pool-pay.com
app.snapchat.com
www.google.co.il
api.sendspace.com
www.google.ro
www.amazon.com
market.yandex.ru
www.google.fi
www.google.co.za
www.google.fr
www.google.de

How to determine Backdoor.Win32.Tofsee.doxp?


File Info:

crc32: E4285B25
md5: 7035d632ff8b10f819929e6cac09cf19
name: 7035D632FF8B10F819929E6CAC09CF19.mlw
sha1: fd147614ee008c1daa3eece110ceff33ee15a188
sha256: 92430a767afd2c33e7d5999d3238c03206bafde5b3e5f22b2bb53b7c6e1f659f
sha512: 596b9b2f16b2f9ab77fac2101c72e598e263ef9988a9f818ae5d1a23c10d75cacde3a02de4de0ce75a9884e205ed86db6fb0306cb3eceb113894a5b64dc98ac7
ssdeep: 3072:TRUTfdqqqcFNIxlAxRCUX1n/FdAPkLFDlZk2E:VIdfRGKRCUX1nTAPYJS
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, permudationzi

Backdoor.Win32.Tofsee.doxp also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.45234274
FireEyeGeneric.mg.7035d632ff8b10f8
McAfeeGenericRXNE-RE!7035D632FF8B
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 005756611 )
BitDefenderTrojan.GenericKD.45234274
K7GWTrojan ( 005756611 )
CyrenW32/Trojan.LYOS-0593
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:DropperX-gen [Drp]
KasperskyBackdoor.Win32.Tofsee.doxp
AlibabaBackdoor:Win32/Tofsee.58ad244a
ViRobotTrojan.Win32.Z.Malpack.157696.A
AegisLabTrojan.Multi.Generic.4!c
TencentWin32.Backdoor.Tofsee.Adub
Ad-AwareTrojan.GenericKD.45234274
EmsisoftTrojan.Crypt (A)
ComodoMalware@#g6h7da5r68n3
F-SecureTrojan.TR/Crypt.Agent.qetpp
DrWebTrojan.Siggen11.56849
TrendMicroBackdoor.Win32.TOFSEE.USMANLU20
McAfee-GW-EditionBehavesLike.Win32.Trojan.cc
SophosMal/Generic-S
IkarusBackdoor.Win32.Tofsee
AviraTR/Crypt.Agent.qetpp
KingsoftWin32.Troj.Generic_a.a.(kcloud)
MicrosoftTrojan:Win32/Zenpack.MU!MTB
GridinsoftTrojan.Win32.Packed.oa
ArcabitTrojan.Generic.D2B23862
ZoneAlarmBackdoor.Win32.Tofsee.doxp
GDataTrojan.GenericKD.45234274
CynetMalicious (score: 100)
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.34700.jmGfaG!Sssmc
ALYacTrojan.Glupteba.gen
VBA32Trojan.Azorult
MalwarebytesTrojan.MalPack.GS
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Kryptik.HILR
TrendMicro-HouseCallBackdoor.Win32.TOFSEE.USMANLU20
RisingBackdoor.Agent!8.C5D (TFE:5:IhzqwXEXQUL)
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_92%
FortinetW32/Kryptik.HGHW!tr
WebrootW32.Trojan.Gen
AVGWin32:DropperX-gen [Drp]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Backdoor.8eb

How to remove Backdoor.Win32.Tofsee.doxp?

Backdoor.Win32.Tofsee.doxp 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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