Trojanspy.Avemaria

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

What is Trojanspy.Avemaria infection?

In this post you will discover regarding the definition of Trojanspy.Avemaria as well as its negative effect on your computer system. Such ransomware are a kind of malware that is clarified by online scams to require paying the ransom by a target.

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In the majority of the instances, Trojanspy.Avemaria ransomware will instruct its targets to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has presented to the victim’s tool.

Trojanspy.Avemaria Summary

These alterations can be as follows:

  • 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.
  • 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;
  • 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.

  • 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;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Ciphering the files located on the sufferer’s hard drive — so the target can no longer make use of the information;
  • Preventing regular accessibility to the victim’s workstation;

Trojanspy.Avemaria

The most typical channels through which Trojanspy.Avemaria Ransomware are injected are:

  • By means of phishing emails;
  • As an effect of user ending up on a source that holds a malicious software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the sufferer’s PC or stop the device from operating in an appropriate fashion – while also placing a ransom note that points out the need for the sufferers to impact the repayment for the purpose of decrypting the files or bring back the file system back to the initial condition. In a lot of circumstances, the ransom money note will show up when the customer restarts the PC after the system has currently been damaged.

Trojanspy.Avemaria circulation channels.

In various edges of the world, Trojanspy.Avemaria expands by leaps and bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom money quantity might differ depending on particular regional (regional) settings. The ransom notes and also techniques of obtaining the ransom amount might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having detected some unlicensed applications enabled on the victim’s gadget. The alert then demands the individual to pay the ransom.

    Faulty declarations about illegal material.

    In countries where software program piracy is less popular, this method is not as effective for the cyber scams. Alternatively, the Trojanspy.Avemaria popup alert might incorrectly declare to be deriving from a police establishment and will report having located child porn or other prohibited data on the device.

    Trojanspy.Avemaria popup alert may wrongly assert to be acquiring from a law enforcement establishment and will report having situated child porn or other unlawful data on the gadget. The alert will likewise include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 834410C8
md5: b861134b7d7740afe1fd8c260a156660
name: B861134B7D7740AFE1FD8C260A156660.mlw
sha1: 52f46a0170de2b9cfc9e22c2022cc8c8d70cbfb8
sha256: e91357a97e614e2d7dc5a07046057741bc0e6c5ec791a80373e3730542728071
sha512: 57136622c0905129a919feca202a26b5ce5f7a7cde856fde25be65cd9fc31dbf3d1bd17d91f92ff4340a55085c9259027587d26fb201bd905416efb8b4953ec9
ssdeep: 24576:7v97AXmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHf:7v97AXmw4gxeOw46fUbNecCCFbNec6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2000
InternalName: FlowerPower
FileVersion: 1, 0, 0, 1
CompanyName:
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: FlowerPower
SpecialBuild:
ProductVersion: 1, 0, 0, 1
FileDescription: FlowerPower
OriginalFilename: FlowerPower.EXE
Translation: 0x0c09 0x04b0

Trojanspy.Avemaria also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45376586
FireEye Generic.mg.b861134b7d7740af
CAT-QuickHeal Trojanspy.Avemaria
Qihoo-360 HEUR/QVM20.1.8C6B.Malware.Gen
McAfee GenericRXMQ-EP!B861134B7D77
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0052cdd61 )
BitDefender Trojan.GenericKD.45376586
K7GW Trojan ( 0052cdd61 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZexaF.34590.4E3@aqaPaBmi
Cyren W32/Kryptik.CGF.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Sf:ShellCode-CU [Trj]
ClamAV Win.Malware.Ursu-6793772-0
Kaspersky HEUR:Trojan-Spy.Win32.AveMaria.gen
NANO-Antivirus Trojan.Win32.AveMaria.ieguud
Rising Trojan.Injector!1.B53C (RDMK:cmRtazo0z17/AYrAsXutTOVQCnMf)
Ad-Aware Trojan.GenericKD.45376586
Emsisoft Trojan.GenericKD.45376586 (B)
Comodo TrojWare.Win32.Injector.AVPL@8d26g3
F-Secure Backdoor.BDS/Poison.mon
DrWeb Trojan.Inject3.16347
Zillya Trojan.Generic.Win32.1252439
TrendMicro TrojanSpy.Win32.AVEMARIA.SMTH
McAfee-GW-Edition BehavesLike.Win32.Ransomware.vc
Sophos ML/PE-A + Mal/Agent-AVK
Ikarus Trojan.Win32.Skeeeyah
Jiangmin TrojanSpy.AveMaria.ld
Avira BDS/Poison.mon
Antiy-AVL Trojan/Win32.Nymaim
Microsoft Trojan:Win32/Skeeeyah
Gridinsoft Trojan.Win32.Agent.oa!s1
Arcabit Trojan.Generic.D2B4644A
ZoneAlarm HEUR:Trojan-Spy.Win32.AveMaria.gen
GData Trojan.GenericKD.45376586
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.RL_Fuery.R280427
Acronis suspicious
ALYac Trojan.GenericKD.45376586
MAX malware (ai score=86)
VBA32 SScope.Trojan.Hlux
Malwarebytes Generic.Trojan.Malicious.DDS
Panda Trj/Genetic.gen
Zoner Trojan.Win32.103882
ESET-NOD32 a variant of Win32/Kryptik.GZNI
TrendMicro-HouseCall TrojanSpy.Win32.AVEMARIA.SMTH
Tencent Malware.Win32.Gencirc.10ce27ff
Yandex Trojan.Kryptik!2aJTSupdvgQ
SentinelOne Static AI – Malicious PE
eGambit Trojan.Generic
Fortinet W32/Kryptik.GZNI!tr
AVG Sf:ShellCode-CU [Trj]
Cybereason malicious.b7d774
MaxSecure Win.MxResIcn.Heur.Gen

How to remove Trojanspy.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

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 Trojanspy.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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojanspy.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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