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

What is Trojan.Dropper.AutoIt infection?

In this post you will find about the definition of Trojan.Dropper.AutoIt as well as its unfavorable impact on your computer. Such ransomware are a kind of malware that is elaborated by online frauds to require paying the ransom money by a victim.

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Most of the cases, Trojan.Dropper.AutoIt infection will instruct its targets to initiate funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the victim’s gadget.

Trojan.Dropper.AutoIt Summary

These adjustments can be as complies with:

  • Possible date expiration check, exits too soon after checking local time;
  • Expresses interest in specific running processes;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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!
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the victim’s hard disk drive — so the target can no more use the data;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains Trojan-Ransom.Win32.AutoIt.xqq Trojan-Ransom.Win32.AutoIt.xqq


One of the most regular channels whereby Trojan.Dropper.AutoIt Ransomware are injected are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a source that organizes a destructive software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or protect against the gadget from functioning in an appropriate fashion – while also positioning a ransom note that states the requirement for the targets to impact the settlement for the function of decrypting the files or restoring the documents system back to the preliminary problem. In many instances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has actually currently been damaged.

Trojan.Dropper.AutoIt circulation networks.

In numerous corners of the world, Trojan.Dropper.AutoIt grows by leaps and also bounds. Nevertheless, the ransom notes and tricks of extorting the ransom money amount might vary depending on certain regional (regional) setups. The ransom money notes and tricks of obtaining the ransom quantity might vary depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software.

    In specific areas, the Trojans usually wrongfully report having actually detected some unlicensed applications allowed on the victim’s tool. The alert then requires the individual to pay the ransom money.

    Faulty statements concerning unlawful content.

    In countries where software piracy is much less preferred, this technique is not as effective for the cyber fraudulences. Additionally, the Trojan.Dropper.AutoIt popup alert might falsely assert to be originating from a police institution and also will report having situated youngster porn or other unlawful data on the tool.

    Trojan.Dropper.AutoIt popup alert might incorrectly claim to be deriving from a regulation enforcement establishment and will certainly report having located kid pornography or other prohibited information on the gadget. The alert will in a similar way consist of a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: ACE1C70C
md5: e99aba6fb63cb2b55b59e3e50b0954c3
name: pedido.exe
sha1: fea86eed0f6a954f88d4fcd3f8c329033002bfa7
sha256: 10ed64783e51c15406b77a766f721e910d292c08af749e5685497d8e9ffeb0ee
sha512: 20e0bbbec87b1eb774ae6aeedc5f8c21a316d24d83d4f04fc402d194d4da11fcf03d2122600baaf298405f8961aa2c0beeda8cc99104bc49bcc482c8b8e26ae8
ssdeep: 49152:1kwkn9IMHeaWuDd5JPV4Qtup+PSOAenUFaPCS:OdnVukH7t+v981PC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Trojan.Dropper.AutoIt also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.42071059
McAfee Artemis!E99ABA6FB63C
Cylance Unsafe
AegisLab Trojan.Win32.AutoIt.j!c
K7AntiVirus Trojan ( 700000111 )
BitDefender Trojan.GenericKD.42071059
K7GW Trojan ( 700000111 )
Cybereason malicious.d0f6a9
APEX Malicious
GData Trojan.GenericKD.42071059
Kaspersky Trojan-Ransom.Win32.AutoIt.xqq
Sophos Mal/Generic-S
Invincea heuristic
Emsisoft Trojan.GenericKD.42071059 (B)
Antiy-AVL Trojan[Packed]/Win32.Dico
Arcabit Trojan.Generic.D281F413
ZoneAlarm Trojan-Ransom.Win32.AutoIt.xqq
Acronis suspicious
Ad-Aware Trojan.GenericKD.42071059
Malwarebytes Trojan.Dropper.AutoIt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/AutoIt.XQQ!tr
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Trojan.Ransom.3dd

How to remove Trojan.Dropper.AutoIt 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 GridinSoft2

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.3.

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.Dropper.AutoIt 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.Dropper.AutoIt you can always ask me in the comments for getting help.

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  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site:
  3. More information about GridinSoft products:

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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