Backdoor.AveMaria

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

What is Backdoor.AveMaria infection?

In this article you will discover regarding the definition of Backdoor.AveMaria and its unfavorable impact on your computer system. Such ransomware are a type of malware that is clarified by on-line scams to require paying the ransom money by a sufferer.

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In the majority of the cases, Backdoor.AveMaria virus will certainly advise its victims to launch funds move for the objective of reducing the effects of the changes that the Trojan infection has presented to the sufferer’s gadget.

Backdoor.AveMaria Summary

These adjustments can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • A scripting utility was executed;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • 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 copy of itself;
  • Ciphering the documents found on the sufferer’s hard disk drive — so the target can no longer use the information;
  • Preventing routine access to the sufferer’s workstation;

Backdoor.AveMaria

The most regular channels whereby Backdoor.AveMaria Ransomware are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user winding up on a source that holds a harmful software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or stop the gadget from functioning in a proper manner – while also positioning a ransom money note that states the demand for the sufferers to effect the payment for the purpose of decrypting the files or restoring the file system back to the preliminary condition. In most circumstances, the ransom note will certainly show up when the client restarts the PC after the system has currently been damaged.

Backdoor.AveMaria distribution networks.

In different corners of the world, Backdoor.AveMaria expands by leaps and bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom quantity may vary depending upon specific neighborhood (regional) settings. The ransom money notes and tricks of extorting the ransom amount might vary depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific areas, the Trojans typically wrongfully report having actually found some unlicensed applications allowed on the victim’s tool. The alert then demands the user to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In countries where software piracy is less popular, this method is not as reliable for the cyber scams. Alternatively, the Backdoor.AveMaria popup alert may falsely claim to be deriving from a law enforcement organization and will report having situated kid porn or various other prohibited data on the tool.

    Backdoor.AveMaria popup alert might falsely claim to be deriving from a law enforcement organization and will report having located kid porn or other unlawful data on the tool. The alert will similarly have a need for the user to pay the ransom.

Technical details

File Info:

crc32: 7F1CC4C5
md5: da2b23c84c3e9e525f27783fefc19f79
name: tts.exe
sha1: 1a84b09085620b9720e352d497b6bae7c1c3637e
sha256: 033384f40a14b655e8be792637a1829d7a5230f68a753eec6ae5beba09d8671b
sha512: e72b223ac12ca8c0cc4829d9aa883651dc681284f93274a850c875aae870daf602d5ea1a693eec4b095ac5241f6a7df1ddba3f6f55253fdc3997569527c5dec4
ssdeep: 12288:FZ4IOzOHk3Nl5crJJy7dx1aqwRHcz/O6kd2H/FHbUXOkkGrqs:FLg/OyrKWz/5kdW/FHbqh
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright xa9. 1999 - 2014
InternalName: Enhancementswindows Keywrd
CompanyName: IDM Computer Solutions, Inc.
LegalTrademarks: Copyright xa9. 1999 - 2014
ProductName: Enhancementswindows Keywrd
ProductVersion: 6.3.8.1
FileDescription: Clicking Sign Conditions Fibers
Translation: 0x0409 0x04b0

Backdoor.AveMaria also known as:

GridinSoftTrojan.Ransom.Gen
FireEyeGeneric.mg.da2b23c84c3e9e52
CAT-QuickHealTrojan.Wacatac
McAfeeRDN/Generic.grp
CylanceUnsafe
SangforMalware
K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.085620
BitDefenderThetaGen:NN.ZexaF.34084.ImKfaqB6nodi
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/Agent.TJS
TrendMicro-HouseCallTROJ_GEN.R069H0DAN20
AvastWin32:Malware-gen
GDataWin32.Backdoor.AMRat.LZV0IG
Kasperskynot-a-virus:HEUR:Downloader.Win32.Generic
AlibabaTrojan:Win32/Generic.0b5d6e82
AegisLabRiskware.Win32.Generic.1!c
APEXMalicious
RisingTrojan.Agent!8.B1E (CLOUD)
Endgamemalicious (moderate confidence)
DrWebTrojan.Siggen9.5388
McAfee-GW-EditionBehavesLike.Win32.DLSponsor.hc
SophosMal/Generic-S
SentinelOneDFI – Suspicious PE
MicrosoftTrojan:Win32/Occamy.C
ZoneAlarmnot-a-virus:HEUR:Downloader.Win32.Generic
Acronissuspicious
MalwarebytesBackdoor.AveMaria
PandaTrj/CI.A
IkarusTrojan-Ransom.GandCrab
eGambitUnsafe.AI_Score_93%
FortinetPossibleThreat.MU
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_80% (W)
Qihoo-360Win32/Virus.Downloader.c27

How to remove Backdoor.AveMaria 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 GridinSoft1

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.2.

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 Backdoor.AveMaria 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 Backdoor.AveMaria 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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