Categories: Malware

Win32/Packed.Themida.EKO removal tips

The Win32/Packed.Themida.EKO 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 Win32/Packed.Themida.EKO virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Expresses interest in specific running processes
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Checks for the presence of known windows from debuggers and forensic tools
  • The following process appear to have been packed with Themida: rundll32.exe
  • Network activity detected but not expressed in API logs
  • Checks for the presence of known devices from debuggers and forensic tools
  • Detects the presence of Wine emulator via registry key
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics

How to determine Win32/Packed.Themida.EKO?


File Info:

crc32: E5DEA149md5: ac5526cfe36d1220b8532b2b70551a51name: AC5526CFE36D1220B8532B2B70551A51.mlwsha1: 12bf4bf492371cac9c305560ccb2dff2eb797a29sha256: ab86515fabb295ed4935fa96066bbdb135ee7e231468bc81e3e3d6287d64e6b7sha512: d26de4d5645c0e69eed263a98d26d868cbfe8274140a00145e6f1a93576e7dc3797c8c931c02aec6f81f40fba8ed82c6f9119d7d8a0de1a37c84a51a775e2460ssdeep: 24576:YtUXw5B9NDCyM+pWi2U+PNiTyF1Lrhfgh2WT4CBJ5IKAkuf1+CeJDdgpAeFxYhc:y+0dDNM+Yi2CyFvf82VAJ5IKL64QGhDtype: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Rs x7248x6743x6240x6709FileVersion: 1.0.0.0CompanyName: RsComments: RsProductName: RsProductVersion: 1.0.0.0FileDescription: RsTranslation: 0x0804 0x04b0

Win32/Packed.Themida.EKO also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader40.26185
Cylance Unsafe
CrowdStrike win/malicious_confidence_80% (D)
K7GW Trojan ( 004eb1bf1 )
K7AntiVirus Trojan ( 004eb1bf1 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Themida.EKO
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZedlaF.34790.Zz8aaGqoWpeb
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.ac5526cfe36d1220
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1139339
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Wacatac.B!ml
Gridinsoft Trojan.Heur!.038100A0
GData Win32.Trojan.Agent.NGGG8R
McAfee Artemis!AC5526CFE36D
Rising Trojan.Generic@ML.96 (RDML:uZX+DBIEoHsn+c0QZX/05A)
Ikarus Trojan.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/PossibleThreat
AVG Win32:Trojan-gen

How to remove Win32/Packed.Themida.EKO?

  • 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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