Categories: Malware

How to remove “Win64/Packed.Themida.LL”?

The Win64/Packed.Themida.LL 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 Win64/Packed.Themida.LL virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Russian
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Detects Sandboxie through the presence of a library
  • Checks for the presence of known windows from debuggers and forensic tools
  • Created a process from a suspicious location
  • Checks the version of Bios, possibly for anti-virtualization

How to determine Win64/Packed.Themida.LL?


File Info:

name: C3583A0BC1F1A01EA4D8.mlwpath: /opt/CAPEv2/storage/binaries/8bb7812bdf42804c99b0fdba370e10b49453077291041935c92de7806a3877edcrc32: 61A35623md5: c3583a0bc1f1a01ea4d80ddd9a73aeb2sha1: a6840229020e7134d2dfa4b987b5609e772aacc6sha256: 8bb7812bdf42804c99b0fdba370e10b49453077291041935c92de7806a3877edsha512: 73a313e3d5f4df79f9ae6cf293180ff78a3ad3f33e631df7a1eb16ed3e27bb938321f95297fb9b9c77c38b9bc85207fa7e03598810c7ca17bac95a8d43d8c50assdeep: 98304:rK8/o5AHjBkgl5TkKXMolOyqgX6Byjto74EOAUwvCa94vz+Hp:reADVTTX9lDqgXSyRnXal4L+Hptype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1ED16331A7BC65070E3B2593055D553B4D23CBD102B3046DBCBD8AE2D7FA4A82653AEE3sha3_384: b6421fafc6cce07ed4b513c80b22814eea84930134ac194e959f6486372ae3ef1b1a55fb0171ac90975d6b2b09ad9a4aep_bytes: e828050000e988feffff3b0d58254300timestamp: 2021-06-11 09:16:54

Version Info:

CompanyName: Microsoft CorporationFileDescription: Microsoft Security Client Policy Configuration ToolFileVersion: 4.18.1907.16384 (WinBuild.160101.0800)InternalName: ConfigSecurityPolicy.exeLegalCopyright: © Microsoft Corporation. All rights reserved.OriginalFilename: ConfigSecurityPolicy.exeProductName: Microsoft® Windows® Operating SystemProductVersion: 4.18.1907.16384Translation: 0x0409 0x04b0

Win64/Packed.Themida.LL also known as:

Bkav W32.AIDetect.malware2
FireEye Generic.mg.c3583a0bc1f1a01e
CrowdStrike win/malicious_confidence_90% (D)
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win64/Packed.Themida.LL
APEX Malicious
Avast Win64:TrojanX-gen [Trj]
Kaspersky VHO:Backdoor.Win32.Androm.gen
Sophos Generic ML PUA (PUA)
SentinelOne Static AI – Suspicious PE
Microsoft Trojan:Win32/Sabsik.FL.B!ml
ZoneAlarm VHO:Backdoor.Win32.Androm.gen
AhnLab-V3 Malware/Gen.Reputation.C4299268
AVG Win64:TrojanX-gen [Trj]
Cybereason malicious.bc1f1a

How to remove Win64/Packed.Themida.LL?

  • 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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