Categories: Ransom

Ransom:Win32/Teerac!rfn removal tips

The Ransom:Win32/Teerac!rfn 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 Ransom:Win32/Teerac!rfn virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • A process created a hidden window
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to delete volume shadow copies
  • A system process is generating network traffic likely as a result of process injection
  • Behavior consistent with a dropper attempting to download the next stage.
  • Installs itself for autorun at Windows startup
  • Attempts to modify proxy settings
  • Attempts to modify browser security settings
  • Creates a copy of itself
  • Harvests credentials from local FTP client softwares
  • Harvests information related to installed mail clients
  • Collects information to fingerprint the system
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Ransom:Win32/Teerac!rfn?


File Info:

crc32: 9D27BAADmd5: c86a3887813d7c084833973c910b02a4name: C86A3887813D7C084833973C910B02A4.mlwsha1: 10f35960a8b8399dd03a30795976222b84505f65sha256: a96e010f86d38528ff6039c16a36d75feef2471df9b6b3955a1f4c51d82fbf7dsha512: 427a27cd6e08e453116243d76f7a6cab15fccfc664f72b07c5b9b33bf231b052677f6ba536381b4acd9ede4b69e1ae9b18a6f05f74ace68685b77b8a202302dfssdeep: 6144:EAsBZ7WEysj09jdWQKDP9+roqRStG1s6ZIaw1JgpxiGCn3mFb0+EhOYh+NjwI4Vg:WWM87fSc1smEJgXUn3gXGOYhswIJtype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Ransom:Win32/Teerac!rfn also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3ef1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4549
MicroWorld-eScan Trojan.GenericKD.3240422
ALYac Trojan.GenericKD.3240422
Cylance Unsafe
Zillya Trojan.Onion.Win32.1095
Sangfor Trojan.Win32.GenericKD.4
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Backdoor:Win32/Androm.6d437a3b
K7GW Trojan ( 0055e3ef1 )
Cybereason malicious.7813d7
Symantec Ransom.TorrentLocker
ESET-NOD32 Win32/Filecoder.TorrentLocker.A
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Backdoor.Win32.Androm.gen
BitDefender Trojan.GenericKD.3240422
NANO-Antivirus Trojan.Win32.Encoder.ecnlxe
ViRobot Dropper.S.Agent.380007
Tencent Win32.Trojan.Filecoder.Syrq
Ad-Aware Trojan.GenericKD.3240422
Sophos Mal/Generic-R + Mal/Cerber-Z
Comodo Malware@#sdotzqvaqep8
BitDefenderTheta Gen:NN.ZedlaF.34628.du8@aCbE@Nbi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRILOCK.CBQ165G
McAfee-GW-Edition BehavesLike.Win32.Dropper.fc
FireEye Generic.mg.c86a3887813d7c08
Emsisoft Trojan.GenericKD.3240422 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Trojan.Gen
Avira TR/Dropper.Gen
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Teerac!rfn
Arcabit Trojan.Generic.D3171E6
AegisLab Trojan.Win32.Androm.4!c
ZoneAlarm HEUR:Backdoor.Win32.Androm.gen
GData Trojan.GenericKD.3240422
AhnLab-V3 Trojan/Win32.ZBot.C1442030
McAfee Artemis!C86A3887813D
MAX malware (ai score=100)
VBA32 Trojan-Ransom.Onion
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRILOCK.CBQ165G
Rising Trojan.Injector!8.C4 (CLOUD)
Ikarus Trojan.Win32.Injector
Fortinet W32/Malicious_Behavior.VEX
AVG Win32:Malware-gen
Qihoo-360 Win32/Backdoor.Androm.HyoDEpsA

How to remove Ransom:Win32/Teerac!rfn?

  • 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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