Ransom Trojan

Trojan-Ransom.Win32.Encoder.nak removal

Malware Removal

The Trojan-Ransom.Win32.Encoder.nak 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 Trojan-Ransom.Win32.Encoder.nak virus can do?

  • Possible date expiration check, exits too soon after checking local time
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Czech
  • Spoofs its process name and/or associated pathname to appear as a legitimate process
  • Network activity detected but not expressed in API logs
  • Attempts to identify installed AV products by installation directory
  • Attempts to identify installed AV products by registry key
  • Anomalous binary characteristics

How to determine Trojan-Ransom.Win32.Encoder.nak?


File Info:

crc32: A0588D03
md5: 11f383286a903795d52ce72141a38bc9
name: 11F383286A903795D52CE72141A38BC9.mlw
sha1: 2cfba46d40392bd15778dfe79e57f523b6e6058c
sha256: 033e9d22c52c6dd00ffea8e48e7b596eb8693a7007571603af7766236851398f
sha512: c4c70316d89ddbb354d58dd9c24dcd25335c7a3957d53a53b58ddf6ab5056e3e98c23f655bcc5ebfa88c64b03dd471c605cecae6b04188092fae3f24e4892a53
ssdeep: 24576:v2trMa5lj1aetziAXC864bvbtU7ns8INmsy+dggggMw3nqTbHc+RwJkdV4KtXo8:hAxe47bf8Ios1dggggMeqTb8+RwJIV4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2021 AVG Technologies CZ, s.r.o.
InternalName: SfxInst
FileVersion: 21.2.6096.0
CompanyName: AVG Technologies CZ, s.r.o.
ProductName: AVG Internet Security System
ProductVersion: 21.2.6096.0
FileDescription: AVG Antivirus
OriginalFilename: SfxInst.exe
ProductId: avg-av
Translation: 0x0409 0x04b0

Trojan-Ransom.Win32.Encoder.nak also known as:

ALYacTrojan.GenericKD.46566195
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_70% (W)
BitDefenderTrojan.GenericKD.46566195
KasperskyTrojan-Ransom.Win32.Encoder.nak
MicroWorld-eScanTrojan.GenericKD.46566195
TencentWin32.Trojan.Encoder.Dzah
Ad-AwareTrojan.GenericKD.46566195
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Injector.th
FireEyeTrojan.GenericKD.46566195
EmsisoftTrojan.GenericKD.46566195 (B)
JiangminTrojan.Encoder.adn
MicrosoftTrojan:Win32/Zpevdo.B
GDataTrojan.GenericKD.46566195
McAfeeArtemis!11F383286A90
MAXmalware (ai score=84)
MalwarebytesMachineLearning/Anomalous.95%
PandaTrj/CI.A
YandexTrojan.Encoder!Q+dVBZbxD8g
FortinetRiskware/Encoder
Qihoo-360Win32/Ransom.Encoder.HxQBUTsA

How to remove Trojan-Ransom.Win32.Encoder.nak?

Trojan-Ransom.Win32.Encoder.nak 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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