What is VirTool:Win32/Obfuscator.AU infection?

In this article you will certainly find concerning the interpretation of VirTool:Win32/Obfuscator.AU and its adverse impact on your computer. Such ransomware are a type of malware that is elaborated by on-line fraudulences to require paying the ransom by a victim.

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In the majority of the instances, VirTool:Win32/Obfuscator.AU ransomware will advise its victims to start funds transfer for the objective of counteracting the modifications that the Trojan infection has presented to the victim’s tool.

VirTool:Win32/Obfuscator.AU Summary

These adjustments can be as complies with:

  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Unconventionial language used in binary resources: Korean;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the target’s disk drive — so the target can no longer utilize the data;
  • Preventing regular accessibility to the target’s workstation;


One of the most typical channels where VirTool:Win32/Obfuscator.AU are injected are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a resource that hosts a malicious software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the sufferer’s computer or avoid the device from operating in an appropriate fashion – while additionally positioning a ransom note that points out the requirement for the sufferers to effect the repayment for the objective of decrypting the papers or restoring the file system back to the preliminary condition. In the majority of circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has already been harmed.

VirTool:Win32/Obfuscator.AU distribution channels.

In numerous edges of the world, VirTool:Win32/Obfuscator.AU expands by jumps and also bounds. However, the ransom money notes as well as methods of extorting the ransom money amount may vary relying on certain neighborhood (local) settings. The ransom notes and also techniques of obtaining the ransom quantity might vary depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications enabled on the sufferer’s tool. The alert then demands the user to pay the ransom.

    Faulty declarations concerning prohibited content.

    In nations where software program piracy is less popular, this technique is not as efficient for the cyber scams. Conversely, the VirTool:Win32/Obfuscator.AU popup alert may incorrectly declare to be originating from a police organization and also will certainly report having situated child porn or other prohibited data on the device.

    VirTool:Win32/Obfuscator.AU popup alert may wrongly claim to be acquiring from a regulation enforcement establishment and also will report having situated child porn or other illegal data on the device. The alert will likewise include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: B453C817
md5: 0d54a31f08cb81989647b6e9a359f979
name: 0D54A31F08CB81989647B6E9A359F979.mlw
sha1: 5c28ca28746ed0db8e3b95f5e5c76dc795b0313b
sha256: 7ea0799cd375850c95e82d31b92f09cd5eb45c845ef7603c269447ae2ca460cf
sha512: 80f5f4b49d1458d62afa22b19263b1bb9271566ab7336394072f75a8a5cd5002a7c5e4c112ec290e47d44b271ff947f19c40e963b9f3d0156dd533a38a8e7e8e
ssdeep: 24576:MrfpQMcnpsvjBM0tU7CnzhKR/zr46ILVQYkNnGprUMI1sTGoue6FeqL+uj1:MzpQMsOjimzcJzwKmngsTGou2qL+Q
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, PECompact2 compressed

Version Info:

0: [No Data]

VirTool:Win32/Obfuscator.AU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
Malwarebytes Malware.Heuristic.1003
Sangfor Trojan.Win32.Save.a
Cybereason malicious.8746ed
Cyren W32/Heuristic-162!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky UDS:DangerousObject.Multi.Generic
Sophos Mal/Generic-S
Comodo .Win32.Packer.B@0
VIPRE Trojan.Win32.Generic!BT
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1104469
Microsoft VirTool:Win32/Obfuscator.AU
AegisLab Trojan.Multi.Generic.4!c
McAfee Artemis!0D54A31F08CB
Panda Trj/CI.A
Rising Trojan.Win32.Generic.12D384FE (C64:YzY0OvvX/JU5d8tX)
Ikarus Virus.Win32.Obfuscator
Fortinet W32/Vipdataend.AHI!tr.bdr
Qihoo-360 Win32/Trojan.Obfuscated.HxIBEpsA

How to remove VirTool:Win32/Obfuscator.AU ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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 VirTool:Win32/Obfuscator.AU 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove VirTool:Win32/Obfuscator.AU you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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