Categories: Malware

About “Win32/Packed.Obsidium.CU” infection

The Win32/Packed.Obsidium.CU 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.Obsidium.CU virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • NtSetInformationThread: attempt to hide thread from debugger
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Latvian
  • 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
  • Queries information on disks, possibly for anti-virtualization
  • Checks for the presence of known windows from debuggers and forensic tools
  • CAPE detected the RedLine malware family
  • Checks for the presence of known devices from debuggers and forensic tools
  • Detects VirtualBox through the presence of a device
  • Anomalous binary characteristics
  • Binary compilation timestomping detected

How to determine Win32/Packed.Obsidium.CU?


File Info:

name: AE4FD64DFD3F015C7376.mlwpath: /opt/CAPEv2/storage/binaries/5729ee8b21c34d55143480f6f65b7f8840198a836ebf9888c01f5f82d7ffb578crc32: D4E84B45md5: ae4fd64dfd3f015c7376b3eafb4993b6sha1: 4d84749dffaeeb78380065b41fda6d6e1cc6c005sha256: 5729ee8b21c34d55143480f6f65b7f8840198a836ebf9888c01f5f82d7ffb578sha512: 5c48ba371609beeb22e44d4689e5062bd390ec80db546475af22713373d8ad94ac41a70f4570f65922b3f89344ddc052d90718c27e5b69de79003f70684300f3ssdeep: 12288:CWMzMc2Si5X7dWdTJur/dtMptsF/bfWzBYuh:C3M2IXRWdcdKp4/bOzPtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T155C48915230C9962CC3DC333086D835B62663D227A74AA3EE1EC77C97FB9A915D2417Bsha3_384: 90d2f5e185ac2b3f2c2ec05dbdbbafc66cf43e7dde7ebce44a5f311495dbe86cdbee362ab1f098b53212413beef3c6a6ep_bytes: eb05c679cd18cb50eb058984b0d844e8timestamp: 2094-10-04 11:59:59

Version Info:

Translation: 0x0409 0x04e4FileVersion: 27.1.29.22ProductName: Quicken for WindowsProductVersion: 27.1.29.22CompanyName: Quicken Inc.LegalCopyright: Copyright © 2018 by Quicken Inc.Build Date: Tue Oct 13 14:23:15 IST 2020Build Version: 27.1.29.22Type: QAFileDescription: Quicken WindowsInternalName: qw.exeOriginalFilename: qw.exe

Win32/Packed.Obsidium.CU also known as:

Bkav W32.AIDetect.malware1
MicroWorld-eScan Trojan.GenericKD.38206398
FireEye Generic.mg.ae4fd64dfd3f015c
McAfee Artemis!AE4FD64DFD3F
Cylance Unsafe
K7AntiVirus Riskware ( 0040eff71 )
Alibaba TrojanSpy:Win32/Stealer.65a27abd
K7GW Riskware ( 0040eff71 )
Cybereason malicious.dffaee
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Obsidium.CU
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-Spy.Win32.Stealer.aoiy
BitDefender Trojan.GenericKD.38206398
Avast Win32:Malware-gen
Ad-Aware Trojan.GenericKD.38206398
Emsisoft Trojan.GenericKD.38206398 (B)
DrWeb Trojan.PWS.Siggen3.7922
McAfee-GW-Edition BehavesLike.Win32.Generic.hc
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Obsidium
GData Win32.Trojan-Stealer.CredStealer.0RDSD5
Avira TR/Spy.Stealer.frzcs
Kingsoft Win32.Troj.Undef.(kcloud)
Gridinsoft Ransom.Win32.Sabsik.sa
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.R456990
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34062.Iq3@aGGspXgk
ALYac Trojan.GenericKD.38206398
MAX malware (ai score=85)
VBA32 BScope.TrojanDropper.Dapato
Malwarebytes Spyware.RedLineStealer
Rising Trojan.Generic@ML.98 (RDML:hP5bl0Z1U/BQdWA4C2/AMg)
SentinelOne Static AI – Suspicious PE
Fortinet W32/PossibleThreat
AVG Win32:Malware-gen
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_80% (W)

How to remove Win32/Packed.Obsidium.CU?

  • 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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