TrojanDownloader.Bitser

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

What is TrojanDownloader.Bitser infection?

In this short article you will certainly locate concerning the interpretation of TrojanDownloader.Bitser as well as its negative influence on your computer system. Such ransomware are a form of malware that is clarified by on the internet fraudulences to demand paying the ransom by a sufferer.

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Most of the cases, TrojanDownloader.Bitser virus will instruct its targets to launch funds move for the purpose of counteracting the amendments that the Trojan infection has actually presented to the victim’s gadget.

TrojanDownloader.Bitser Summary

These modifications can be as follows:

  • Creates RWX memory;
  • Reads data out of its own binary image;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the papers found on the target’s hard disk — so the target can no more use the information;
  • Preventing regular access to the target’s workstation;

Related domains:

z.whorecord.xyzRansom.Hermes!gen2
a.tomx.xyzRansom.Hermes!gen2

TrojanDownloader.Bitser

One of the most typical networks through which TrojanDownloader.Bitser Trojans are injected are:

  • By means of phishing emails;
  • As an effect of individual ending up on a resource that holds a destructive software;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s computer or avoid the device from operating in an appropriate fashion – while likewise putting a ransom money note that mentions the need for the victims to impact the repayment for the purpose of decrypting the files or bring back the file system back to the first problem. In many circumstances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has actually currently been damaged.

TrojanDownloader.Bitser circulation channels.

In numerous edges of the world, TrojanDownloader.Bitser expands by jumps and also bounds. Nevertheless, the ransom money notes and also methods of obtaining the ransom quantity might differ depending on specific regional (regional) settings. The ransom money notes and also methods of extorting the ransom money amount may vary depending on particular local (regional) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software application.

    In particular areas, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the victim’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In countries where software application piracy is much less prominent, this approach is not as efficient for the cyber frauds. Additionally, the TrojanDownloader.Bitser popup alert may falsely declare to be originating from a police establishment and will certainly report having located child porn or other prohibited information on the device.

    TrojanDownloader.Bitser popup alert may falsely declare to be deriving from a legislation enforcement establishment and also will certainly report having situated kid porn or various other illegal data on the gadget. The alert will likewise have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: FD7D32F2
md5: 1b36c7bf97b9efe7f208ca74031ac645
name: 1B36C7BF97B9EFE7F208CA74031AC645.mlw
sha1: 925e9c210ccc3bb7d28a3cd5ca48a1ac3d525cdb
sha256: 7cedce30d5992446aeca38d51ada907c0f7ddbf947b16551150bdb7107f6fe6a
sha512: 78622c22cc6557e104492f57d65c989d19892a09c95f94a38c177de1e7d12bc25fe4edd7461b20f4753bee2017bc132d62c244606540d2f089d8d911a2cc5fd4
ssdeep: 393216:MyPa0WrLp5N+Cq+n43oPwhV1gRzuDRcrmRqj:MPplyoTPrmRqj
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

TrojanDownloader.Bitser also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusRiskware ( 0040eff71 )
DrWebTrojan.Wdfload.508
CynetMalicious (score: 99)
ALYacTrojan.GenericKD.46600343
SangforTrojan.Win32.Bitser.gen
AlibabaTrojanDownloader:Win32/Bitser.f4b92874
K7GWRiskware ( 0040eff71 )
CyrenW32/Trojan.YIOJ-1549
SymantecRansom.Hermes!gen2
AvastWin32:Malware-gen
KasperskyHEUR:Trojan-Downloader.Win32.Bitser.gen
BitDefenderTrojan.GenericKD.46600343
MicroWorld-eScanTrojan.GenericKD.46600343
TencentWin32.Trojan-downloader.Bitser.Dygs
Ad-AwareTrojan.GenericKD.46600343
SophosMal/Generic-S (PUA)
ComodoTrojWare.Win32.Agent.lcagm@0
McAfee-GW-EditionBehavesLike.Win32.Dropper.rc
FireEyeTrojan.GenericKD.46600343
EmsisoftTrojan.GenericKD.46600343 (B)
AviraHEUR/AGEN.1138824
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Wacatac.B!ml
GDataWin32.Trojan-Downloader.Bitser.RAE0ZK
AhnLab-V3Trojan/Win.Generic.C4546319
McAfeeArtemis!1B36C7BF97B9
MAXmalware (ai score=86)
VBA32TrojanDownloader.Bitser
PandaTrj/CI.A
RisingTrojan.PSRunner/NSIS!1.D5F9 (CLASSIC)
FortinetNSIS/Bitser.BD3!tr
AVGWin32:Malware-gen
Qihoo-360Win32/TrojanDownloader.Generic.HxQBdCcA

How to remove TrojanDownloader.Bitser 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 TrojanDownloader.Bitser 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 TrojanDownloader.Bitser 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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