Written by Robert Bailey

What is Win32/Packed.Obsidium.AS infection?

In this short article you will discover about the meaning of Win32/Packed.Obsidium.AS as well as its unfavorable impact on your computer. Such ransomware are a kind of malware that is clarified by on-line scams to require paying the ransom money by a target.

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In the majority of the instances, Win32/Packed.Obsidium.AS infection will certainly advise its victims to start funds move for the objective of reducing the effects of the changes that the Trojan infection has actually presented to the target’s device.

Win32/Packed.Obsidium.AS Summary

These adjustments can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • Detected script timer window indicative of sleep style evasion;
  • A process attempted to delay the analysis task.;
  • Loads a driver;
  • Expresses interest in specific running processes;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Steals private information from local Internet browsers;
  • Attempts to modify desktop wallpaper;
  • Installs itself for autorun at Windows startup;
  • Exhibits possible ransomware file modification behavior;
  • Likely virus infection of existing system binary;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Detects VirtualBox through the presence of a device;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers situated on the sufferer’s disk drive — so the target can no more make use of the information;
  • Preventing normal access to the target’s workstation;

Related domains: Trojan.Ransom.Matrix


The most common channels whereby Win32/Packed.Obsidium.AS Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that holds a harmful software;

As soon as the Trojan is efficiently injected, it will either cipher the data on the target’s computer or avoid the gadget from functioning in a correct way – while likewise placing a ransom note that mentions the need for the sufferers to impact the settlement for the objective of decrypting the records or recovering the documents system back to the initial condition. In a lot of circumstances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has currently been harmed.

Win32/Packed.Obsidium.AS circulation channels.

In numerous corners of the world, Win32/Packed.Obsidium.AS grows by leaps and bounds. Nonetheless, the ransom notes as well as tricks of extorting the ransom quantity might differ relying on certain regional (regional) settings. The ransom money notes and tricks of extorting the ransom quantity might vary depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In certain areas, the Trojans often wrongfully report having discovered some unlicensed applications allowed on the victim’s tool. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations about illegal content.

    In countries where software application piracy is much less popular, this method is not as effective for the cyber scams. Conversely, the Win32/Packed.Obsidium.AS popup alert may falsely assert to be deriving from a law enforcement organization and also will report having situated youngster porn or various other prohibited information on the device.

    Win32/Packed.Obsidium.AS popup alert might incorrectly assert to be acquiring from a legislation enforcement institution as well as will certainly report having situated youngster pornography or various other prohibited information on the tool. The alert will similarly contain a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: E8343725
md5: 6fc5518db166fffb72da5979d209ba2f
name: 6FC5518DB166FFFB72DA5979D209BA2F.mlw
sha1: 36303bc90bb559a60ec294cc3ed9f2ea32380c7f
sha256: bad867551418daeb21774dc92caf104c10d4f5bb056168f12429d7712d83d12c
sha512: fe0455d7bc657a49ad2a73d393f72463ddb1ba337470e5ac4589922b24a4952fa854c3d37e159ab866f3f558af2c22e07748f5693ad91b9fbc1f9124320caf9a
ssdeep: 24576:Y+wWE03PiWTGd7NsWQqxF7C8YYIxUDljdl:YsE6OAqxF7O/w
type: MS-DOS executable, MZ for MS-DOS

Version Info:

0: [No Data]

Win32/Packed.Obsidium.AS also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0052438a1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.32551
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Matrix
Cylance Unsafe
Zillya Trojan.Obsidium.Win32.892
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 0052438a1 )
Cybereason malicious.db166f
Cyren W32/Trojan.BGSH-8378
ESET-NOD32 a variant of Win32/Packed.Obsidium.AS
Zoner Probably Heur.ExeHeaderH
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.Win32.Matrix.uh
BitDefender Gen:Trojan.Heur.YuZ@IWyFpDdi
NANO-Antivirus Trojan.Win32.Matrix.hwcpsz
MicroWorld-eScan Gen:Trojan.Heur.YuZ@IWyFpDdi
Tencent Win32.Trojan.Matrix.Wtxt
Ad-Aware Gen:Trojan.Heur.YuZ@IWyFpDdi
Sophos Mal/EncPk-ANL
Comodo Malware@#2juxvxvr2wdup
BitDefenderTheta AI:Packer.B7679D961C
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic-FAWW!6FC5518DB166
Emsisoft Gen:Trojan.Heur.YuZ@IWyFpDdi (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Trojan.Gen
Avira TR/Crypt.XPACK.Gen
Microsoft Ransom:Win32/Gandcrab
Arcabit Trojan.Heur.E99A5D
AegisLab Trojan.Win32.Matrix.j!c
GData Gen:Trojan.Heur.YuZ@IWyFpDdi
McAfee Generic-FAWW!6FC5518DB166
MAX malware (ai score=100)
VBA32 BScope.Trojan.Tiggre
Panda Trj/CI.A
Rising Trojan.Generic@ML.100 (RDML:3+hcoKr11/UpYMKM1gIbIQ)
Ikarus Trojan.Win32.Obsidium
Fortinet W32/PossibleThreat!tr.ransom
AVG Win32:Trojan-gen

How to remove Win32/Packed.Obsidium.AS virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Packed.Obsidium.AS files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Packed.Obsidium.AS you can always ask me in the comments for getting help.

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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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