Categories: Ransom

How to remove “Ransom:Win32/Tobfy.L”?

The Ransom:Win32/Tobfy.L 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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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 Ransom:Win32/Tobfy.L virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Anomalous binary characteristics

How to determine Ransom:Win32/Tobfy.L?


File Info:

crc32: 5F164C0Dmd5: 5580e75d6e42ac15c892b640a4d20527name: 5580E75D6E42AC15C892B640A4D20527.mlwsha1: 6e1610a9f452be0f8c6bdbfb8d2a2fcc44221678sha256: 186b7b25b6ec5159b2d67dd1df5e4eaf811756ae0b239b528d39b9bbbe7e1b5csha512: 58660ca5d446feb1cbb0a55d9f2cc308c447db22620c058772ad67c7f3ab5b57e224e7b782b80fe85e7f926321da0c499bb867d5ee5ff0fa8429bde1077805e0ssdeep: 3072:5dm02kNdH6rih7zvfPRIQModK+l/ionaXUojcm2Ey/fnMEGqP67FUQvkUiGt62I:/XPdH6U7P2QZdK+lKonqafndGJvNiGttype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Tobfy.L also known as:

Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.6658
MicroWorld-eScan Trojan.EmotetU.Gen.kGW@f4Oa6lci
FireEye Generic.mg.5580e75d6e42ac15
McAfee PWS-Zbot.gen.apm
Malwarebytes Ransom.FileCryptor
VIPRE Trojan.Win32.BcCheman.a (v)
K7AntiVirus Password-Stealer ( 0040f2a31 )
BitDefender Trojan.EmotetU.Gen.kGW@f4Oa6lci
K7GW Password-Stealer ( 0040f2a31 )
BitDefenderTheta Gen:NN.ZexaF.34804.kGW@a4Oa6lci
Cyren W32/Downloader.EK.gen!Eldorado
Symantec Trojan.Ransomlock!g8
TotalDefense Win32/Ransom.ATQ
APEX Malicious
Avast Win32:Cryptor
ClamAV Win.Worm.Zbot-9759575-0
Kaspersky Trojan.Win32.Wago.z
NANO-Antivirus Trojan.Win32.Yakes.zkzpo
ViRobot Trojan.Win32.A.Zbot.179200.AO
AegisLab Trojan.Win32.Yakes.4!c
Rising Trojan.Generic@ML.98 (RDML:RKDW1YIFtL9h5WO8pY8Fkw)
Ad-Aware Trojan.EmotetU.Gen.kGW@f4Oa6lci
TACHYON Trojan-Spy/W32.ZBot.179200.AT
Emsisoft Trojan.EmotetU.Gen.kGW@f4Oa6lci (B)
Comodo TrojWare.Win32.Injector.XANA@4rjadd
F-Secure Trojan.TR/Crypt.XPACK.Gen8
Zillya Trojan.Yakes.Win32.6870
TrendMicro WORM_DORKBOT.SMC
McAfee-GW-Edition PWS-Zbot.gen.apm
Sophos ML/PE-A + Mal/BcCheMan-A
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Yakes.hnr
Webroot W32.Rogue.Gen
Avira TR/Crypt.XPACK.Gen8
Antiy-AVL Trojan/Win32.Yakes
Microsoft Ransom:Win32/Tobfy.L
Arcabit Trojan.EmotetU.Gen.ECD1B07
ZoneAlarm Trojan.Win32.Wago.z
GData Trojan.EmotetU.Gen.kGW@f4Oa6lci
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Ransomlock.C2299896
Acronis suspicious
VBA32 BScope.Malware-Cryptor.Oop
ALYac Trojan.EmotetU.Gen.kGW@f4Oa6lci
MAX malware (ai score=81)
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Injector.XRY
TrendMicro-HouseCall WORM_DORKBOT.SMC
Tencent Win32.Trojan.Yakes.bgjw
Yandex Trojan.Injector!cW2IYeQ4nxY
Ikarus Trojan.Win32.Yakes
Fortinet W32/Injector.XNT!tr
AVG Win32:Cryptor
Cybereason malicious.d6e42a
Paloalto generic.ml
Qihoo-360 Win32/Trojan.e6d

How to remove Ransom:Win32/Tobfy.L?

  • 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.
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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