BAT/Agent.OTH

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

What is BAT/Agent.OTH infection?

In this short article you will certainly discover about the definition of BAT/Agent.OTH and its adverse effect on your computer. Such ransomware are a form of malware that is specified by online frauds to demand paying the ransom money by a victim.

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In the majority of the cases, BAT/Agent.OTH virus will advise its sufferers to launch funds move for the function of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s gadget.

BAT/Agent.OTH Summary

These alterations can be as follows:

  • Detected script timer window indicative of sleep style evasion;
  • 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;
  • 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;
  • Uses Windows utilities for basic functionality;
  • 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
  • A wscript.exe process commonly used in script or document file downloaders initiated network activity;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the documents found on the victim’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing regular accessibility to the victim’s workstation;

BAT/Agent.OTH

One of the most normal channels whereby BAT/Agent.OTH are injected are:

  • By means of phishing e-mails;
  • As an effect of customer winding up on a resource that hosts a malicious software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or protect against the tool from functioning in a correct fashion – while also positioning a ransom note that discusses the demand for the victims to impact the payment for the function of decrypting the papers or recovering the data system back to the preliminary condition. In many instances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has actually already been damaged.

BAT/Agent.OTH circulation networks.

In numerous edges of the world, BAT/Agent.OTH grows by jumps and bounds. Nonetheless, the ransom notes and methods of extorting the ransom money amount might differ depending on particular local (regional) setups. The ransom money notes as well as techniques of extorting the ransom amount might vary depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In particular locations, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the target’s tool. The sharp then demands the user to pay the ransom.

    Faulty declarations about prohibited web content.

    In countries where software program piracy is much less popular, this method is not as efficient for the cyber frauds. Alternatively, the BAT/Agent.OTH popup alert might falsely declare to be deriving from a law enforcement establishment and also will certainly report having situated youngster porn or other illegal information on the gadget.

    BAT/Agent.OTH popup alert may falsely assert to be acquiring from a regulation enforcement organization and will certainly report having situated kid porn or various other illegal data on the tool. The alert will in a similar way contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 49E19841
md5: c3ff286bb8c3c222c240a5827a9a5f99
name: C3FF286BB8C3C222C240A5827A9A5F99.mlw
sha1: 2d8d682ff285b473103e32075e7edc141620a974
sha256: f09dbfc24878f56f9b04dcdb6a3b4eb88fa7f09cfaed7d698cc80e51c1f79545
sha512: c54690492b9e9341587332f0650bf924f65eb1e689de93ead5fd620fe465219acb9e07b4071406099af976b0a6c027f3b5ea497f4aa9196cee5cdd7a4aa1aae7
ssdeep: 6144:VpqgxoSCKyH7qUWIRSl+mKgUApnQfkzdhI:VJxoSM7R0+5gUAFQcz
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

BAT/Agent.OTH also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusRiskware ( 0040eff71 )
AlibabaRansom:Win32/Blocker.bdb2b94d
K7GWRiskware ( 0040eff71 )
ESET-NOD32BAT/Agent.OTH
APEXMalicious
AvastWin32:Trojan-gen
KasperskyTrojan-Ransom.Win32.Blocker.mafg
NANO-AntivirusTrojan.Win32.Blocker.fqazcb
TencentWin32.Trojan.Blocker.Taff
ComodoMalware@#1utiagq5kbk9p
FireEyeGeneric.mg.c3ff286bb8c3c222
SentinelOneStatic AI – Suspicious PE
MicrosoftPWS:Win32/Zbot!ml
AegisLabTrojan.Win32.Blocker.4!c
AhnLab-V3Malware/Win32.Generic.C3195142
McAfeeGenericRXAA-FA!C3FF286BB8C3
VBA32TrojanRansom.Blocker
MalwarebytesMalware.Heuristic.1003
RisingRansom.Blocker!8.12A (CLOUD)
IkarusTrojan-Spy.BAT.ConnSteal
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Blocker.JEBETUD!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Blocker.HxIBEpsA

How to remove BAT/Agent.OTH ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 BAT/Agent.OTH 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 BAT/Agent.OTH 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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