Categories: Malware

What is “Win32/Packed.Themida.AFP”?

The Win32/Packed.Themida.AFP 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 Win32/Packed.Themida.AFP 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.
  • Detects Sandboxie through the presence of a library
  • Checks for the presence of known windows from debuggers and forensic tools
  • The following process appear to have been packed with Themida: 81rpb60m2z.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.AFP?


File Info:

crc32: 56ADC138md5: cb50a3adf9479a23656084c2e8abb5d1name: 81rpb60m2z.exesha1: d22fa2eb960f9ae1786bb0bae017bdc55a0e14d3sha256: f021c3b29d343a0567f9419441f396fe6d22d5f6411bb9b5636da223b55207d4sha512: 4b0ef762a67bb799d974cee9b2b937286618e2e3be2d343346e5243011688626df22a237163aec2631af0695699c10cea1ba822d7fe651183081bb7696132db4ssdeep: 98304:y7fI+ZlWe33n+eVhUw4TSMi3TVIVMMEvpRfHKStC:y7Ee33n+ShUpTkjwcvLfHKdtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: updateFileVersion: 1.0.0.0CompanyName: updateComments: updateProductName: updateProductVersion: 1.0.0.0FileDescription: updateTranslation: 0x0804 0x04b0

Win32/Packed.Themida.AFP also known as:

MicroWorld-eScan Trojan.GenericKD.41880366
FireEye Generic.mg.cb50a3adf9479a23
CAT-QuickHeal Hacktool.Sivuha
McAfee Artemis!CB50A3ADF947
ALYac Trojan.GenericKD.41880366
Malwarebytes Trojan.MalPack.VMP
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Trojan ( 004db8601 )
BitDefender Trojan.GenericKD.41880366
K7GW Trojan ( 004db8601 )
Cybereason malicious.b960f9
TrendMicro TROJ_GEN.R002C0WJ919
BitDefenderTheta Gen:NN.ZexaF.32515.ZB0aayI7mXbb
Symantec Trojan.Gen.MBT
TrendMicro-HouseCall TROJ_GEN.R002C0WJ919
Paloalto generic.ml
GData Trojan.GenericKD.41880366
Kaspersky HackTool.Win32.Sivuha.aes
Alibaba Trojan:Win32/Sivuha.f1d7a89e
NANO-Antivirus Trojan.Win32.Sivuha.gcoxnc
AegisLab Hacktool.Win32.Sivuha.3!c
Avast Win32:Trojan-gen
Endgame malicious (high confidence)
Sophos Mal/Generic-S
Zillya Tool.Sivuha.Win32.64
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.wc
SentinelOne DFI – Malicious PE
Emsisoft Trojan.GenericKD.41880366 (B)
APEX Malicious
Cyren W32/Trojan.ZEIO-5815
Webroot W32.Trojan.Gen
Arcabit Trojan.Generic.D27F0B2E
ZoneAlarm HackTool.Win32.Sivuha.aes
Microsoft Trojan:Win32/Bluteal!rfn
TACHYON Trojan/W32.Sivuha.3993600
AhnLab-V3 Malware/Win32.Generic.C3502907
Acronis suspicious
MAX malware (ai score=81)
Ad-Aware Trojan.GenericKD.41880366
Cylance Unsafe
ESET-NOD32 a variant of Win32/Packed.Themida.AFP
Rising Trojan.Generic@ML.98 (RDMK:50t5aSG/oqAyMWzMgALt3g)
Yandex Riskware.HackTool!006holp9OYo
Ikarus Trojan.Win32.Themida
Fortinet Riskware/Sivuha
AVG Win32:Trojan-gen
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Trojan.Hacktool.e26

How to remove Win32/Packed.Themida.AFP?

  • 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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