Trojan:Win32/Vidar.AA!MTB

What is Trojan:Win32/Vidar.AA!MTB infection?

In this article you will certainly discover regarding the interpretation of Trojan:Win32/Vidar.AA!MTB and its adverse impact on your computer system. Such ransomware are a kind of malware that is clarified by online fraudulences to demand paying the ransom by a victim.

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Most of the instances, Trojan:Win32/Vidar.AA!MTB virus will advise its targets to initiate funds move for the purpose of counteracting the changes that the Trojan infection has presented to the victim’s device.

Trojan:Win32/Vidar.AA!MTB Summary

These modifications 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.
  • 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.

  • A process created a hidden window;
  • 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.
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • 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!
  • Steals private information from local Internet browsers;
  • Network activity contains more than one unique useragent.;
  • 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;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the sufferer’s hard disk — so the sufferer can no longer use the information;
  • Preventing normal accessibility 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.xyz Trojan-Ransom.Win32.Crypmod.zfq
a.tomx.xyz Trojan-Ransom.Win32.Crypmod.zfq
evergladsea.com Trojan-Ransom.Win32.Crypmod.zfq
iplogger.org Trojan-Ransom.Win32.Crypmod.zfq
www.bing.com Trojan-Ransom.Win32.Crypmod.zfq

Trojan:Win32/Vidar.AA!MTB

One of the most common channels through which Trojan:Win32/Vidar.AA!MTB are infused are:

  • By means of phishing emails;
  • As a repercussion of customer winding up on a source that holds a destructive software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s computer or stop the tool from functioning in an appropriate way – while likewise positioning a ransom money note that points out the demand for the targets to impact the payment for the objective of decrypting the documents or bring back the documents system back to the initial problem. In many circumstances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has currently been damaged.

Trojan:Win32/Vidar.AA!MTB circulation networks.

In different edges of the world, Trojan:Win32/Vidar.AA!MTB expands by leaps as well as bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom money quantity may differ depending upon specific neighborhood (local) settings. The ransom notes and also tricks of extorting the ransom amount may differ depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In particular locations, the Trojans often wrongfully report having actually detected some unlicensed applications allowed on the victim’s device. The sharp then requires the individual to pay the ransom.

    Faulty declarations regarding prohibited web content.

    In countries where software piracy is less prominent, this approach is not as effective for the cyber scams. Conversely, the Trojan:Win32/Vidar.AA!MTB popup alert may wrongly claim to be stemming from a police establishment as well as will report having located child porn or other illegal information on the gadget.

    Trojan:Win32/Vidar.AA!MTB popup alert may wrongly declare to be deriving from a law enforcement establishment as well as will report having situated child pornography or other illegal data on the tool. The alert will in a similar way include a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 6D4E6A0F
md5: c84ce1ae851f1fac83a0f8fb3448ede4
name: wotsuper3.exe
sha1: e8da12e73adca1d611a6930baaa1293f7dbdcec1
sha256: 1241d798cd01624b2f3642eac1157c399d503ec30bef09b61a572344f278dfbb
sha512: 76f407477ed1af2702eb47c1f70f3d81c1b95c63dd0b54eef69fb4dd46db23bceb884d3347c8dae20058babe16095c686ec4500e97b429965a39b23b2b27d7c9
ssdeep: 12288:pANwRo+mv8QD4+0V16vfgWdWreA1qHAMrkdEe1n8MlpAwMEztA:pAT8QE+k4RErzwgMrkdEelHpAL
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: wotsuper
FileDescription: wotsuper 2.1 Installation
FileVersion: 2.1
Comments:
CompanyName: wotsuper
Translation: 0x0409 0x04e4

Trojan:Win32/Vidar.AA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Variant.Razy.439913
Cylance Unsafe
BitDefender Gen:Variant.Razy.439913
APEX Malicious
GData Gen:Variant.Razy.439913
Kaspersky HEUR:Trojan-PSW.Win32.Vidar.vho
Rising Stealer.Vidar!1.B80D (RDMK:cmRtazoolbRoKj29ksc7bDYm9c3M)
Emsisoft Trojan-Dropper.Agent (A)
F-Secure Heuristic.HEUR/AGEN.1113288
DrWeb Trojan.Siggen9.41859
Invincea heuristic
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.c84ce1ae851f1fac
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1113288
Arcabit Trojan.Razy.D6B669
ZoneAlarm HEUR:Trojan-PSW.Win32.Vidar.vho
Microsoft Trojan:Win32/Vidar.AA!MTB
AhnLab-V3 Malware/Win32.Generic.C3733562
MAX malware (ai score=85)
VBA32 BScope.Backdoor.Predator
Malwarebytes Trojan.Downloader
ESET-NOD32 a variant of Win32/PSW.Agent.OGR
Ikarus Trojan-PSW.Agent
eGambit Unsafe.AI_Score_99%
Fortinet W32/Agent.OGR!tr
BitDefenderTheta Gen:NN.ZexaF.34106.HmW@aicA!le
AVG Win32:PWSX-gen [Trj]
Cybereason malicious.e851f1
Avast Win32:PWSX-gen [Trj]
Qihoo-360 HEUR/QVM05.1.C3D7.Malware.Gen

How to remove Trojan:Win32/Vidar.AA!MTB 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 Trojan:Win32/Vidar.AA!MTB 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 Trojan:Win32/Vidar.AA!MTB 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/products/

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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