VirTool:Win32/Obfuscator.ADU

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is VirTool:Win32/Obfuscator.ADU infection?

In this short article you will certainly locate concerning the definition of VirTool:Win32/Obfuscator.ADU and also its unfavorable effect on your computer. Such ransomware are a kind of malware that is specified by on the internet fraudulences to require paying the ransom by a victim.

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In the majority of the cases, VirTool:Win32/Obfuscator.ADU infection will certainly advise its victims to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the victim’s device.

VirTool:Win32/Obfuscator.ADU Summary

These modifications can be as adheres to:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Possible date expiration check, exits too soon after checking local time;
  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Steals private information from local Internet browsers;
  • Exhibits behavior characteristic of Pony malware;
  • Collects information about installed applications;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed mail clients;
  • Ciphering the documents located on the sufferer’s hard disk drive — so the target can no longer make use of the data;
  • Preventing routine access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

VirTool:Win32/Obfuscator.ADU

One of the most regular networks whereby VirTool:Win32/Obfuscator.ADU Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of user winding up on a resource that organizes a destructive software program;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s computer or avoid the device from operating in a correct way – while likewise placing a ransom note that states the need for the victims to impact the settlement for the function of decrypting the records or bring back the data system back to the preliminary problem. In a lot of instances, the ransom money note will certainly show up when the client restarts the PC after the system has actually currently been harmed.

VirTool:Win32/Obfuscator.ADU distribution networks.

In different corners of the globe, VirTool:Win32/Obfuscator.ADU expands by leaps and bounds. Nonetheless, the ransom money notes and methods of extorting the ransom amount might vary depending upon specific local (regional) settings. The ransom money notes as well as methods of obtaining the ransom quantity might vary depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s device. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations regarding illegal content.

    In nations where software piracy is much less popular, this technique is not as efficient for the cyber frauds. Conversely, the VirTool:Win32/Obfuscator.ADU popup alert might falsely claim to be originating from a law enforcement institution as well as will report having located youngster pornography or various other illegal data on the device.

    VirTool:Win32/Obfuscator.ADU popup alert may incorrectly claim to be obtaining from a legislation enforcement institution and will certainly report having located child pornography or other unlawful information on the device. The alert will likewise contain a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 6428428F
md5: bdb93f28da987675828ac36e2fcab68f
name: BDB93F28DA987675828AC36E2FCAB68F.mlw
sha1: bdcce8fa987b2d5d72e2258f23cabb2a27aa1adb
sha256: 7bdb83171853f698da2ce1238256b65d589a3c67c511885b77cb67218b6d4adb
sha512: e42d439cad8ad3877dc4d8b62f00f600a4f994a408da6a3dce19f601e5fd272ae5556fbb03fd126f4004e05f7ccae1886d8b23c57710f85359d820f4617e5dd9
ssdeep: 6144:YyA0RfgwyipvbYA+YC1GAiL9GvvqydpRlbydJ3ArV81iug6U7v:YkRfgwyipzYA+YwvJfydlA27g77v
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

VirTool:Win32/Obfuscator.ADU also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Multi.911
CynetMalicious (score: 100)
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.2962
SangforHacktool.Win32.Obfuscator.ADU
CrowdStrikewin/malicious_confidence_60% (D)
AlibabaVirTool:Win32/Obfuscator.8d42eabe
K7GWRiskware ( 0040eff71 )
ESET-NOD32a variant of Win32/Injector.AAKR
APEXMalicious
AvastWin32:Trojan-gen
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Multi.cvknqk
ViRobotTrojan.Win32.A.Bublik.870912
SophosMal/Generic-S
ComodoMalware@#2saloq43tdg15
BitDefenderThetaAI:Packer.16D7F9FA19
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionPWS-Zbot-FAGP!BDB93F28DA98
FireEyeGeneric.mg.bdb93f28da987675
AviraTR/Obfuscate.adu.1
eGambitGeneric.Malware
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftVirTool:Win32/Obfuscator.ADU
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
AhnLab-V3Trojan/Win32.Lmirhack.C7533
McAfeePWS-Zbot-FAGP!BDB93F28DA98
MAXmalware (ai score=100)
VBA32Trojan.Chisburg
MalwarebytesMalware.AI.3734395387
PandaTrj/Agent.MIZ
RisingRansom.Blocker!8.12A (CLOUD)
IkarusTrojan-Ransom.Blocker
FortinetW32/Generic.AC.2552C0!tr
AVGWin32:Trojan-gen
Qihoo-360Win32/Trojan.Generic.HwUByscA

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

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 VirTool:Win32/Obfuscator.ADU 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 VirTool:Win32/Obfuscator.ADU you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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