Backdoor

Backdoor.Win32.Tofsee.amdh (file analysis)

Malware Removal

The Backdoor.Win32.Tofsee.amdh 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.amdh virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • 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
  • Deletes its original binary from disk
  • 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)

How to determine Backdoor.Win32.Tofsee.amdh?


File Info:

crc32: DD903AEF
md5: 82652d6a1db5a13eaeb9a633db0a1b39
name: 82652D6A1DB5A13EAEB9A633DB0A1B39.mlw
sha1: 775d78fae54e67a1ef55a1386551d93fbcd2d2d7
sha256: 7e25da0160ac9c14ea9d7e70465dd88dab79195725f8e7365c3421f6ab42821b
sha512: 4568fd44b5ec9ece169b5c3caca7df33025b9b5ceda5433acdd922b73fbe417aeec000a073f4dc32e19eb5c571a2e70ee96da684265ec30bbbaf464a1ba3c295
ssdeep: 1536:FWGCTnjiZbMHDIxXX5BwUCkSDkLhD0Nw4o74p3wKUwwy0qtp5or7YBbNk:/CTnWZEDIxXPwUCFkF0Nwt74NB0QT47
type: MS-DOS executable, MZ for MS-DOS

Version Info:

0: [No Data]

Backdoor.Win32.Tofsee.amdh also known as:

BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005157701 )
DrWebTrojan.MulDrop8.59085
CynetMalicious (score: 100)
ALYacTrojan.GenericKD.41040075
CylanceUnsafe
ZillyaBackdoor.Tofsee.Win32.2028
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaBackdoor:Win32/Tofsee.0eb025b2
K7GWTrojan ( 005157701 )
Cybereasonmalicious.a1db5a
ESET-NOD32Win32/Tofsee.BJ
APEXMalicious
AvastFileRepMalware
ClamAVWin.Malware.Locky-7090183-0
KasperskyBackdoor.Win32.Tofsee.amdh
BitDefenderTrojan.GenericKD.41040075
NANO-AntivirusTrojan.Win32.Tofsee.fjxfqs
MicroWorld-eScanTrojan.GenericKD.41040075
TencentWin32.Backdoor.Tofsee.Dypx
Ad-AwareTrojan.GenericKD.41040075
SophosML/PE-A + Mal/Elenoocka-E
ComodoTrojWare.Win32.Tofsee.BJ@79g6sc
BitDefenderThetaGen:NN.ZexaF.34628.fmqaaqtsYrj
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CERBER.SMALY0
FireEyeGeneric.mg.82652d6a1db5a13e
EmsisoftTrojan.GenericKD.41040075 (B)
SentinelOneStatic AI – Malicious PE
JiangminBackdoor.Poison.aus
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1119282
MicrosoftBackdoor:Win32/Tofsee.T
ArcabitTrojan.Generic.D27238CB
AegisLabTrojan.Win32.Tofsee.4!c
GDataTrojan.GenericKD.41040075
AhnLab-V3Malware/Win32.Ransom_cerber.C2839936
Acronissuspicious
McAfeeArtemis!82652D6A1DB5
MAXmalware (ai score=100)
VBA32Trojan.FakeAV.01657
MalwarebytesMalware.Heuristic.1003
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_CERBER.SMALY0
RisingTrojan.Kryptik!1.AE8C (CLOUD)
IkarusPUA.Generic
FortinetW32/Kryptik.GKNL!tr
AVGFileRepMalware
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.439

How to remove Backdoor.Win32.Tofsee.amdh?

Backdoor.Win32.Tofsee.amdh 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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