Ransom.Avaddon

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

What is Ransom.Avaddon infection?

In this post you will certainly discover concerning the meaning of Ransom.Avaddon and also its negative influence on your computer. Such ransomware are a form of malware that is specified by online scams to demand paying the ransom by a sufferer.

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Most of the situations, Ransom.Avaddon infection will certainly advise its targets to start funds move for the objective of neutralizing the modifications that the Trojan infection has presented to the victim’s device.

Ransom.Avaddon Summary

These alterations can be as follows:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Russian;
  • Creates an autorun.inf file;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Modifies boot configuration settings;
  • Installs itself for autorun at Windows startup.

    There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Attempts to modify UAC prompt behavior;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the sufferer’s hard disk drive — so the victim can no longer utilize the data;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzRansom_Avaddon.R002C0DFL20
a.tomx.xyzRansom_Avaddon.R002C0DFL20
api.myip.comRansom_Avaddon.R002C0DFL20
ocsp.digicert.comRansom_Avaddon.R002C0DFL20
crl3.digicert.comRansom_Avaddon.R002C0DFL20
crl4.digicert.comRansom_Avaddon.R002C0DFL20

Ransom.Avaddon

One of the most normal channels whereby Ransom.Avaddon Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of individual ending up on a resource that hosts a harmful software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or avoid the tool from working in a proper manner – while likewise putting a ransom note that states the demand for the victims to effect the settlement for the objective of decrypting the documents or bring back the data system back to the preliminary problem. In the majority of instances, the ransom note will come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Ransom.Avaddon circulation networks.

In numerous edges of the globe, Ransom.Avaddon grows by jumps as well as bounds. However, the ransom notes and methods of extorting the ransom money amount may differ depending upon specific regional (regional) settings. The ransom notes as well as tricks of extorting the ransom amount may differ depending on certain neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having actually found some unlicensed applications enabled on the sufferer’s device. The alert then demands the user to pay the ransom money.

    Faulty statements about prohibited material.

    In countries where software program piracy is much less prominent, this technique is not as reliable for the cyber frauds. Alternatively, the Ransom.Avaddon popup alert may incorrectly assert to be deriving from a police establishment as well as will report having located child pornography or various other unlawful information on the tool.

    Ransom.Avaddon popup alert might falsely declare to be deriving from a regulation enforcement institution and also will report having located kid porn or other illegal data on the gadget. The alert will in a similar way have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 9357FCA8
md5: 2e9ccb2e30eea85465318b373edcf948
name: 781208537.exe
sha1: f1a216c6933010fabacc59c3018ff045fea4410e
sha256: 4a072c044993616658d1fdeddcf9ead501633fdf000cde18447301afa9b96e99
sha512: 89ce38c23c0994bfa5301d26b85f9b0be97ed97928f281c47b30c6bcfa3cc0181014d2fdd57ec46f24c7ebbb41616dd6ccd90189a507d0585ca44ddc9d23bc92
ssdeep: 24576:Bu13Ii3FoHjrdVIxpxJbpvR+h8O+DB8lllMOHnbbbbpcQs:Bu3IDHjrdVIxpxhe8O68Ll3bbbbpcQ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: taskhost.exe
FileVersion: 10.0.17763.831 (WinBuild.160101.0800)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 10.0.17763.831
FileDescription: Host Process for Windows Tasks
OriginalFilename: taskhost.exe
Translation: 0x0409 0x04b0

Ransom.Avaddon also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware1
MicroWorld-eScanTrojan.GenericKD.43370377
FireEyeGeneric.mg.2e9ccb2e30eea854
CAT-QuickHealTrojan.CKGENERIC
McAfeeGenericRXAA-AA!2E9CCB2E30EE
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 005690961 )
BitDefenderTrojan.GenericKD.43370377
K7GWTrojan ( 005690961 )
CrowdStrikewin/malicious_confidence_60% (W)
TrendMicroRansom_Avaddon.R002C0DFL20
BitDefenderThetaGen:NN.ZexaF.34130.aw3@aS6VvHpc
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Filecoder.Avaddon.A
APEXMalicious
Paloaltogeneric.ml
GDataTrojan.GenericKD.43370377
KasperskyHEUR:Trojan.Win32.Generic
AlibabaRansom:Win32/Avaddon.873938fc
ViRobotTrojan.Win32.Ransom.1143514
TencentWin32.Trojan.Filecoder.Huqe
SophosMal/Generic-S
ComodoMalware@#wjfanhfkfp2r
F-SecureTrojan.TR/AD.AvaddonRansom.pgzbl
DrWebTrojan.Siggen9.55346
EmsisoftTrojan.GenericKD.43370377 (B)
SentinelOneDFI – Suspicious PE
CyrenW32/Trojan.UKWQ-3098
JiangminTrojan.Generic.fnatr
AviraTR/AD.AvaddonRansom.pgzbl
MAXmalware (ai score=100)
Antiy-AVLTrojan[Ransom]/Win32.Avaddon
MicrosoftRansom:Win32/Avaddon.AA!MTB
ArcabitTrojan.Generic.D295C789
AegisLabTrojan.Win32.Generic.4!c
AhnLab-V3Malware/Win32.RL_Generic.R341088
ZoneAlarmHEUR:Trojan.Win32.Generic
CynetMalicious (score: 85)
VBA32TrojanRansom.Avaddon
ALYacTrojan.Ransom.Avaddon
Ad-AwareTrojan.GenericKD.43370377
MalwarebytesRansom.Avaddon
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_Avaddon.R002C0DFL20
RisingRansom.Avaddon!1.C7A8 (CLOUD)
YandexTrojan.Filecoder!1KEB5MW0odA
IkarusTrojan-Ransom.Avaddon
eGambitUnsafe.AI_Score_95%
FortinetW32/Filecoder_Avaddon.A!tr.ransom
AVGWin32:TrojanX-gen [Trj]
AvastWin32:TrojanX-gen [Trj]
Qihoo-360Win32/Trojan.fc8

How to remove Ransom.Avaddon virus?

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 GridinSoft2

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.3.

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 Ransom.Avaddon 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom.Avaddon you can always ask me in the comments for getting help.

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References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. 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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