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The Daily Insight

Trojan.Staser

Author

Christopher Davis

Updated on February 25, 2026

What is Trojan.Staser infection?

In this short article you will find concerning the definition of Trojan.Staser and also its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom by a target.

In the majority of the situations, Trojan.Staser virus will certainly instruct its targets to initiate funds move for the function of counteracting the amendments that the Trojan infection has introduced to the target’s gadget.

Trojan.Staser Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Expresses interest in specific running processes;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • Uses Windows utilities for basic functionality;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the papers situated on the victim’s hard disk — so the sufferer can no longer utilize the information;
  • Preventing routine access to the victim’s workstation;

Trojan.Staser

One of the most typical channels through which Trojan.Staser Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of individual winding up on a source that hosts a malicious software program;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or stop the tool from operating in a correct way – while additionally positioning a ransom money note that discusses the requirement for the targets to impact the payment for the objective of decrypting the files or bring back the data system back to the initial condition. In a lot of circumstances, the ransom note will show up when the client restarts the COMPUTER after the system has actually already been harmed.

Trojan.Staser circulation channels.

In various edges of the globe, Trojan.Staser grows by jumps and also bounds. Nevertheless, the ransom notes and also techniques of extorting the ransom amount might vary depending upon specific neighborhood (local) setups. The ransom money notes and also techniques of extorting the ransom amount might differ depending on certain neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having discovered some unlicensed applications made it possible for on the sufferer’s gadget. The alert then requires the customer to pay the ransom money.

    Faulty declarations regarding illegal material.

    In nations where software application piracy is less popular, this technique is not as efficient for the cyber frauds. Alternatively, the Trojan.Staser popup alert may incorrectly assert to be deriving from a law enforcement institution and also will report having located kid pornography or other unlawful information on the device.

    Trojan.Staser popup alert might falsely declare to be deriving from a law enforcement establishment as well as will certainly report having situated child pornography or other prohibited data on the gadget. The alert will similarly include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: A7E77BECmd5: 3265ad32bd27c8e7f48606ca1eb08fd1name: 3265AD32BD27C8E7F48606CA1EB08FD1.mlwsha1: b07739b9aa58de32a86c75950da88957a09bf327sha256: 4ee5ab550a156777a4431ac73de8235426912ea11e0e92bb8f8b9d878a2f1b68sha512: 7e0c01b7f236aae8735e553284e1dce6774dd7613a2db4f5c28cac29e971797e976cbbf28fdf08f833262d153980cc1b4efbe5c6727d1f7ce2ab1df24f5b377cssdeep: 24576:HWHjGD1ZwHxf2cw4UQB1huRze2SZmcJJZyY80Zzb4HktWFYuf4adj8:ujGJZwHxfy4Zrx8y/Zzb4HDf4yj8type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Trojan.Staser also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusRiskware ( 0040eff71 )
LionicTrojan.Multi.Generic.4!c
CylanceUnsafe
K7GWRiskware ( 0040eff71 )
APEXMalicious
KasperskyUDS:DangerousObject.Multi.Generic
BitDefenderThetaGen:NN.ZexaF.34796.iuW@aqnDCIei
McAfee-GW-EditionBehavesLike.Win32.ObfusRansom.tc
KingsoftWin32.Heur.KVM007.a.(kcloud)
TACHYONTrojan/W32.Staser.1360464
McAfeeArtemis!3265AD32BD27
MAXmalware (ai score=61)
VBA32Trojan.Staser

How to remove Trojan.Staser virus?

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Download GridinSoft Anti-Malware

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.Staser 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 Trojan.Staser you can always ask me in the comments for getting help.

References

  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products: