Backdoor

Backdoor:Win32/Tofsee.T removal

Malware Removal

The Backdoor:Win32/Tofsee.T 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.T virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Attempts to connect to a dead IP:Port (3 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Enumerates services, possibly for anti-virtualization
  • Executed a process and injected code into it, probably while unpacking
  • Installs itself for autorun at Windows startup
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Anomalous binary characteristics

Related domains:

microsoft-com.mail.protection.outlook.com

How to determine Backdoor:Win32/Tofsee.T?


File Info:

crc32: 8A983CFB
md5: cf06b862c3034e99c47d5366e8af419d
name: upload_file
sha1: 626b5994adb359d8322ae06120b383c234f75bc4
sha256: 2cbf954b0d13991ffb59779986bc5253abbdb24911d3f1b60f84759d682c5f90
sha512: 4349085c9db25cffa019d7043353ff8e3d772483b271412dec150b2e3954e730c4dc553869d4b4d576c9b3c90b04a476b73643059460b5415fb903a538ca4f04
ssdeep: 49152:N77777777777777777777777777777777777777777777777777777777777777:
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Tofsee.T also known as:

BkavW32.AIDetectVM.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKDZ.40579
McAfeeRansom-Locky!CF06B862C303
CylanceUnsafe
ZillyaTrojan.Agent.Win32.1350246
SangforMalware
K7AntiVirusTrojan ( 0051918c1 )
BitDefenderTrojan.GenericKDZ.40579
K7GWTrojan ( 0051785e1 )
Cybereasonmalicious.2c3034
InvinceaML/PE-A + Mal/Elenoocka-G
BitDefenderThetaGen:NN.ZexaF.34570.@tW@aGlvLXd
CyrenW32/S-721a11f7!Eldorado
SymantecPacked.Generic.493
APEXMalicious
ClamAVWin.Ransomware.Locky-7352150-0
KasperskyHEUR:Trojan-Dropper.Win32.Agent.pef
NANO-AntivirusTrojan.Win32.Kryptik.gdpioz
TencentMalware.Win32.Gencirc.10bac7d4
Ad-AwareTrojan.GenericKDZ.40579
SophosMal/Elenoocka-G
ComodoTrojWare.Win32.Crypt.C@7vajd0
F-SecureHeuristic.HEUR/AGEN.1120889
DrWebTrojan.Siggen10.36945
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CERBER.SMALY0
McAfee-GW-EditionBehavesLike.Win32.Ransomware.wc
EmsisoftTrojan-Ransom.Locky (A)
IkarusTrojan-Ransom.Locky
JiangminBackdoor.Poison.aum
AviraHEUR/AGEN.1120889
MAXmalware (ai score=87)
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftBackdoor:Win32/Tofsee.T
ZoneAlarmHEUR:Trojan-Dropper.Win32.Agent.pef
GDataWin32.Backdoor.Tofsee.138PUK
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/RansomCrypt.Exp
Acronissuspicious
VBA32Trojan.FakeAV.01657
ALYacTrojan.GenericKDZ.40579
MalwarebytesTrojan.MalPack
ESET-NOD32a variant of Win32/Kryptik.FWWH
TrendMicro-HouseCallRansom_CERBER.SMALY0
RisingTrojan.Kryptik!1.AE8C (CLASSIC)
SentinelOneDFI – Suspicious PE
eGambitUnsafe.AI_Score_77%
FortinetW32/Kryptik.GKVH!tr
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Dropper.42f

How to remove Backdoor:Win32/Tofsee.T?

Backdoor:Win32/Tofsee.T 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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