Categories: Backdoor

Backdoor:Win32/Tofsee.I removal guide

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

Behavioural detection: Executable code extraction – unpacking
At least one process apparently crashed during execution
Yara rule detections observed from a process memory dump/dropped files/CAPE
Creates RWX memory
Dynamic (imported) function loading detected
The binary contains an unknown PE section name indicative of packing
The binary likely contains encrypted or compressed data.
The executable is compressed using UPX
Authenticode signature is invalid

How to determine Backdoor:Win32/Tofsee.I?


File Info:
name: 632611CDFD69916E86D4.mlwpath: /opt/CAPEv2/storage/binaries/56d81e8c005960101685039db4ee9318073b2f2d7c3b3f6782f0f2d46cee118ecrc32: C8F21E4Fmd5: 632611cdfd69916e86d4e96c3bbff82dsha1: b0093a07703a959bda1db0daa1a155cea965fdd0sha256: 56d81e8c005960101685039db4ee9318073b2f2d7c3b3f6782f0f2d46cee118esha512: a50745900f6abad9298aa80dbbc5d125db3a57751fcdd215e3931b50ed10fe802d2e94381b1f9624515ed300b0469c13a25a1115f537e976dc207b173e236b44ssdeep: 768:P5jEDJtydVhHv176H797vJTfMCuWVBC/4xfH59QDOrEso5:PNEDJEpoHLLMCtEQxfZyDCe5type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T103D2F15D7EB79437E14819383ACD02EBB207D88076CF4FA6DF541A2828D764FE89044Esha3_384: 61d4ab5d626c4db2a778490e569d72adbf3039d5c8d736107d0c16ac8e1e6aab7662b675b7ab9a8cd56170ef7863a1b6ep_bytes: 60be000041008dbe0010ffff5783cdfftimestamp: 2004-08-14 04:59:05
Version Info:
0: [No Data]

Backdoor:Win32/Tofsee.I also known as:

Bkav	W32.AIDetect.malware2
Lionic	Trojan.Win32.Zbot.ltDq
Elastic	malicious (high confidence)
DrWeb	Trojan.Spambot.8735
MicroWorld-eScan	Gen:Heur.Mint.Zard.45
FireEye	Generic.mg.632611cdfd69916e
McAfee	Artemis!632611CDFD69
Zillya	Trojan.Kryptik.Win32.416248
Sangfor	Trojan.Win32.Katusha.o
CrowdStrike	win/malicious_confidence_70% (W)
Alibaba	Backdoor:Win32/Katusha.8242d3ac
K7GW	Trojan ( 0055dd191 )
K7AntiVirus	Trojan ( 0055dd191 )
BitDefenderTheta	AI:Packer.16E14D621E
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/Kryptik.OQ
TrendMicro-HouseCall	TROJ_SPNR.1AJ213
Paloalto	generic.ml
Cynet	Malicious (score: 100)
Kaspersky	Packed.Win32.Katusha.o
BitDefender	Gen:Heur.Mint.Zard.45
NANO-Antivirus	Trojan.Win32.Katusha.ctmifg
Avast	Win32:Rootkit-gen [Rtk]
Tencent	Win32.Trojan.Kryptik.Wlpe
Emsisoft	Gen:Heur.Mint.Zard.45 (B)
Comodo	MalCrypt.Indus!@1qrzi1
VIPRE	BehavesLike.Win32.Malware.eah (mx-v)
TrendMicro	TROJ_SPNR.1AJ213
McAfee-GW-Edition	BehavesLike.Win32.Conficker.mc
Sophos	Mal/Generic-R + Mal/EncPk-ZC
Ikarus	Backdoor.Win32.Initor
Jiangmin	Packed.Katusha.awbo
Webroot	Adware.Ist.Sidefind
Avira	TR/Crypt.XPACK.Gen
Antiy-AVL	Trojan[Packed]/Win32.Katusha
Kingsoft	Win32.Troj.Katusha.o.(kcloud)
Microsoft	Backdoor:Win32/Tofsee.I
ZoneAlarm	Packed.Win32.Katusha.o
GData	Gen:Heur.Mint.Zard.45
SentinelOne	Static AI – Malicious PE
AhnLab-V3	Trojan/Win32.Xema.C75434
ALYac	Gen:Heur.Mint.Zard.45
APEX	Malicious
Rising	Backdoor.Tofsee!8.1E9 (CLOUD)
Yandex	Trojan.Agent!d87wFxdoN/Q
MAX	malware (ai score=84)
Fortinet	W32/Katusha.O
AVG	Win32:Rootkit-gen [Rtk]
Cybereason	malicious.dfd699
Panda	Trj/Genetic.gen