Win32/TrojanDropper.Autoit.PS

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

What is Win32/TrojanDropper.Autoit.PS infection?

In this article you will certainly find concerning the interpretation of Win32/TrojanDropper.Autoit.PS and its unfavorable impact on your computer. Such ransomware are a type of malware that is clarified by online frauds to require paying the ransom money by a sufferer.

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In the majority of the instances, Win32/TrojanDropper.Autoit.PS virus will instruct its victims to initiate funds transfer for the objective of counteracting the amendments that the Trojan infection has presented to the target’s tool.

Win32/TrojanDropper.Autoit.PS Summary

These modifications can be as follows:

  • Attempts to connect to a dead IP:Port (2 unique times);
  • Detected script timer window indicative of sleep style evasion;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • 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;
  • A scripting utility was executed;
  • 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!
  • 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 interact with an Alternate Data Stream (ADS);
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the files situated on the target’s hard disk drive — so the target can no longer use the information;
  • Preventing routine accessibility 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.

Win32/TrojanDropper.Autoit.PS

The most regular networks through which Win32/TrojanDropper.Autoit.PS Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of customer winding up on a resource that hosts a harmful software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s computer or stop the device from functioning in an appropriate way – while additionally putting a ransom money note that states the need for the sufferers to effect the payment for the function of decrypting the files or recovering the file system back to the initial problem. In the majority of circumstances, the ransom money note will show up when the customer restarts the PC after the system has actually currently been damaged.

Win32/TrojanDropper.Autoit.PS circulation networks.

In numerous corners of the world, Win32/TrojanDropper.Autoit.PS expands by jumps and also bounds. Nevertheless, the ransom notes and also tricks of extorting the ransom amount might differ depending upon particular neighborhood (regional) settings. The ransom notes and also techniques of extorting the ransom quantity might differ depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software application.

    In specific areas, the Trojans often wrongfully report having actually identified some unlicensed applications allowed on the target’s gadget. The sharp after that requires the individual to pay the ransom money.

    Faulty declarations regarding unlawful material.

    In countries where software program piracy is less prominent, this method is not as reliable for the cyber scams. Additionally, the Win32/TrojanDropper.Autoit.PS popup alert might falsely claim to be originating from a police establishment and will certainly report having situated kid pornography or other unlawful information on the tool.

    Win32/TrojanDropper.Autoit.PS popup alert might wrongly declare to be deriving from a legislation enforcement organization as well as will report having situated child pornography or other prohibited information on the device. The alert will similarly consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: FC5C9657
md5: f5f2c1a810750bd353b66e8daf9eaab3
name: F5F2C1A810750BD353B66E8DAF9EAAB3.mlw
sha1: 3a9ef4d2a115837ecff0a0a2696678f61f010514
sha256: cd6ac55a4dff4d5ab7cca64c9ae6b680de58fe5ba04b1584c0a9a7a4e1b888f2
sha512: 7f95c152a764bd86fdd28914319293d1bb6f45f4cc50cd88e3817e6fd2ece4af13634b0f8cc1a600fa030f347167d61622835d6482285d4a8c87ef24ee308c9b
ssdeep: 24576:AAHnh+eWsN3skA4RV1Hom2KXSmdaJszTN5:3h+ZkldoPKi2aa/
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Win32/TrojanDropper.Autoit.PS also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0052a1bd1 )
CynetMalicious (score: 99)
ALYacJS.Heur.Backdoor.2.D547EE70.Gen
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
K7GWTrojan ( 0052a1bd1 )
Cybereasonmalicious.810750
SymantecTrojan.Gen.MBT
ESET-NOD32a variant of Win32/TrojanDropper.Autoit.PS
APEXMalicious
AvastFileRepMalware
KasperskyTrojan-Ransom.Win32.Blocker.kwyp
BitDefenderJS.Heur.Backdoor.2.D547EE70.Gen
NANO-AntivirusTrojan.Script.ExpKit.fenywc
MicroWorld-eScanJS.Heur.Backdoor.2.D547EE70.Gen
TencentWin32.Trojan.Blocker.Efug
Ad-AwareJS.Heur.Backdoor.2.D547EE70.Gen
SophosMal/Generic-S
ComodoMalware@#17p5eceetw3z3
VIPRETrojan.Win32.Generic!BT
TrendMicroHEUR_JSRANSOM.O6
McAfee-GW-EditionBehavesLike.Win32.TrojanAitInject.th
FireEyeGeneric.mg.f5f2c1a810750bd3
EmsisoftJS.Heur.Backdoor.2.D547EE70.Gen (B)
AviraDR/AutoIt.Gen
eGambitUnsafe.AI_Score_90%
MicrosoftTrojan:Win32/Occamy.B
AegisLabHacktool.Win32.Gamehack.3!e
GDataJS.Heur.Backdoor.2.D547EE70.Gen (3x)
TACHYONRansom/W32.Blocker.1086976
McAfeeArtemis!F5F2C1A81075
MAXmalware (ai score=95)
PandaTrj/CI.A
IkarusTrojan-Dropper.Win32.Autoit
MaxSecureTrojan.Malware.300983.susgen
FortinetJS/Agent.VQN!tr.dldr
AVGFileRepMalware
Paloaltogeneric.ml

How to remove Win32/TrojanDropper.Autoit.PS virus?

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.

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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 Win32/TrojanDropper.Autoit.PS 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?

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If the guide doesn’t help you to remove Win32/TrojanDropper.Autoit.PS 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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