Categories: Malware

How to remove “Win32/Packed.Themida.HYB”?

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

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • NtSetInformationThread: attempt to hide thread from debugger
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Expresses interest in specific running processes
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Executable file is packed/obfuscated with Themida
  • Authenticode signature is invalid
  • Checks for the presence of known windows from debuggers and forensic tools
  • The following process appear to have been packed with Themida: A00D8CA81826E7DC0257.mlw
  • 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.HYB?


File Info:

name: A00D8CA81826E7DC0257.mlwpath: /opt/CAPEv2/storage/binaries/ceb2986cc5b9df60ddf17d315dfaa406b1429e8eaee1b8480b4b70b88eaa566ccrc32: 276BC13Amd5: a00d8ca81826e7dc0257a4c8980895d3sha1: 91552908b0fff19212438ff49acfa6e95599e727sha256: ceb2986cc5b9df60ddf17d315dfaa406b1429e8eaee1b8480b4b70b88eaa566csha512: 93146cc472c9029c2a8281b12791302f82dd3d756de4d1a88ec177deb8a3e8516f8909edfa447f03f4d9c8e216e74d4f454124e797c1d07c262ae1feebabbe64ssdeep: 49152:A0gopdzCkINAnTeRIkMawPNgDRg+HEFAkx7bvS/Gfmawf/Sn/0DAJ2/L6u3:eWdzCNNlR/MawNglg+HUnS/G5w3Su3/Ptype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T160C533C0FBA77468DFBE3732D2A05E4BD570AA09DD7FC92B5059112C8166214F807EBAsha3_384: de9f1163a1ddcf3049d6788e07b8388a8bf77e961c3cbfdb02faf723666f14f760bd0c03036b20c292a37d5bd5c446feep_bytes: e84b0100005389e3538b73088b7b10fctimestamp: 2009-09-26 01:06:45

Version Info:

Comments: Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.CompanyName: Apache Software FoundationFileDescription: ApacheBench command line utilityFileVersion: 2.2.14InternalName: ab.exeLegalCopyright: Copyright 2009 The Apache Software Foundation.OriginalFilename: ab.exeProductName: Apache HTTP ServerProductVersion: 2.2.14Translation: 0x0409 0x04b0

Win32/Packed.Themida.HYB also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.GenericRI.S22015415
Cylance Unsafe
K7AntiVirus Trojan ( 004b95b81 )
BitDefender Gen:Variant.Razy.561913
K7GW Trojan ( 004b95b81 )
Cybereason malicious.81826e
Cyren W32/Metla.A.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Themida.HYB
APEX Malicious
Kaspersky HEUR:Trojan.Win32.Metla.a
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
MicroWorld-eScan Gen:Variant.Razy.561913
Sophos Generic ML PUA (PUA)
F-Secure Heuristic.HEUR/AGEN.1145503
FireEye Generic.mg.a00d8ca81826e7dc
Emsisoft Gen:Variant.Razy.561913 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1145503
MAX malware (ai score=84)
Microsoft Trojan:Win32/Sabsik.FL.B!ml
ZoneAlarm HEUR:Trojan.Win32.Metla.a
GData Gen:Variant.Razy.561913
AhnLab-V3 Trojan/Win32.RL_Metla.R304659
Rising Trojan.GenKryptik!8.AA55 (TFE:dGZlOgUy+x9WZsbInQ)
Yandex Trojan.GenAsa!eLd+ugWQuJ8
Ikarus Trojan-Spy.Win32.Banker.ciy
MaxSecure Trojan.Malware.300983.susgen
BitDefenderTheta Gen:NN.ZexaF.34182.LI1@a4Oykwoi
AVG Win32:Evo-gen [Susp]
Avast Win32:Evo-gen [Susp]
CrowdStrike win/malicious_confidence_60% (D)

How to remove Win32/Packed.Themida.HYB?

  • 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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