Trojan.Agent.EXAR

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

What is Trojan.Agent.EXAR infection?

In this post you will locate about the interpretation of Trojan.Agent.EXAR and also its negative effect on your computer system. Such ransomware are a form of malware that is clarified by online scams to require paying the ransom by a sufferer.

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In the majority of the cases, Trojan.Agent.EXAR infection will certainly advise its sufferers to launch funds transfer for the function of counteracting the modifications that the Trojan infection has introduced to the victim’s gadget.

Trojan.Agent.EXAR Summary

These alterations 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.
  • Mimics the system’s user agent string for its own requests;
  • Expresses interest in specific running processes;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the files situated on the victim’s hard disk drive — so the sufferer can no more make use of the information;
  • Preventing normal 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.Wannacry
a.tomx.xyzRansom.Wannacry

Trojan.Agent.EXAR

One of the most normal networks where Trojan.Agent.EXAR Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a resource that hosts a harmful software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s PC or avoid the device from functioning in a proper manner – while likewise placing a ransom note that points out the demand for the sufferers to effect the repayment for the function of decrypting the files or bring back the file system back to the first problem. In most instances, the ransom note will show up when the client restarts the COMPUTER after the system has actually currently been harmed.

Trojan.Agent.EXAR circulation channels.

In various corners of the world, Trojan.Agent.EXAR grows by jumps and also bounds. Nevertheless, the ransom notes as well as methods of obtaining the ransom money quantity might vary depending on certain local (local) setups. The ransom money notes and also tricks of extorting the ransom quantity might differ depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In certain locations, the Trojans frequently wrongfully report having actually found some unlicensed applications made it possible for on the victim’s device. The alert then demands the user to pay the ransom money.

    Faulty statements concerning illegal material.

    In nations where software program piracy is much less popular, this approach is not as effective for the cyber frauds. Additionally, the Trojan.Agent.EXAR popup alert may wrongly claim to be originating from a law enforcement organization and also will report having located kid pornography or other unlawful data on the gadget.

    Trojan.Agent.EXAR popup alert might falsely declare to be acquiring from a legislation enforcement institution as well as will report having situated child porn or other unlawful data on the tool. The alert will in a similar way consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 5A5E501C
md5: 20c34c840fcea15835460800174e1e5d
name: 20C34C840FCEA15835460800174E1E5D.mlw
sha1: c34cab69e594e9e4f0453ae0d003f6f60635fa15
sha256: 84da745a7a83a406179dcd32fa011b060c6b42d3d61145042f7265c77b4955b6
sha512: f595f80c4556054c564004b0f5ebbd91f7b4c0cc54a2690364a07821595853e7f4b75426744d447bbbbd3d7d19a10d1b4cac135060ee79bd7c3863c385caf683
ssdeep: 6144:iabhjkzVozlLRGrqiFY8qf730XXpcDZTNY/p4UnIFzgBEPdidfwR:iYhIzVqLRsqT73K0a/SGMwEPdih
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: TODO: (c) . All rights reserved.
InternalName: WebPageSnapShot.exe
FileVersion: 1.0.0.1
CompanyName: TODO:
ProductName: TODO:
ProductVersion: 1.0.0.1
FileDescription: TODO:
OriginalFilename: WebPageSnapShot.exe
Translation: 0x0409 0x04e4

Trojan.Agent.EXAR also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.EmotetNTT.Trojan
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Agent.EXAR
FireEyeTrojan.Agent.EXAR
CAT-QuickHealTrojan.EmotePMF.S16544152
ALYacTrojan.Agent.Emotet
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Emotet.L!c
SangforMalware
K7AntiVirusTrojan ( 0056fc8a1 )
BitDefenderTrojan.Agent.EXAR
K7GWTrojan ( 0056fc8a1 )
TrendMicroTrojanSpy.Win32.EMOTET.THKOIBO
CyrenW32/Emotet.ATJ.gen!Eldorado
SymantecRansom.Wannacry
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Malware.Exar-9769617-0
KasperskyHEUR:Trojan-Banker.Win32.Emotet.pef
AlibabaTrojan:Win32/EmotetCrypt.f3cd3dc2
NANO-AntivirusTrojan.Win32.Emotet.hwqnvg
ViRobotTrojan.Win32.Z.Emotet.434176.BPL
RisingTrojan.Kryptik!1.CC98 (CLASSIC)
Ad-AwareTrojan.Agent.EXAR
TACHYONTrojan/W32.Agent.434176.YJ
EmsisoftTrojan.Emotet (A)
ComodoMalware@#w4fm09aw0v6d
F-SecureTrojan.TR/AD.Emotet.heskk
DrWebTrojan.DownLoader34.53409
ZillyaTrojan.Emotet.Win32.32304
InvinceaMal/Generic-R + Troj/Emotet-CPH
McAfee-GW-EditionBehavesLike.Win32.Emotet.gh
SophosTroj/Emotet-CPH
IkarusTrojan-Banker.Agent
JiangminTrojan.Banker.Emotet.pbd
AviraTR/AD.Emotet.heskk
Antiy-AVLGrayWare/Win32.GenericKDZ.y6it
KingsoftWin32.Troj.Banker.(kcloud)
MicrosoftTrojan:Win32/EmotetCrypt.ARJ!MTB
GridinsoftTrojan.Win32.Emotet.oa
ArcabitTrojan.Agent.EXAR
SUPERAntiSpywareTrojan.Agent/Gen-Emotet
ZoneAlarmHEUR:Trojan-Banker.Win32.Emotet.pef
GDataTrojan.Agent.EXAR
CynetMalicious (score: 100)
AhnLab-V3Malware/Win32.Generic.R353518
McAfeeEmotet-FSF!20C34C840FCE
MAXmalware (ai score=100)
VBA32BScope.Trojan.Zenpak
MalwarebytesTrojan.MalPack.TRE
PandaTrj/Genetic.gen
ESET-NOD32Win32/Emotet.CB
TrendMicro-HouseCallTrojanSpy.Win32.EMOTET.SMD4.hp
TencentMalware.Win32.Gencirc.10ce0611
YandexTrojan.Emotet!jQV1NKlk73c
MaxSecureTrojan.Malware.11417434.susgen
FortinetW32/Emotet.1029!tr
AVGWin32:BankerX-gen [Trj]
AvastWin32:BankerX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Trojan.095

How to remove Trojan.Agent.EXAR 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.Agent.EXAR 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 Trojan.Agent.EXAR 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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