PWS:AutoIt/Passup.A

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

What is PWS:AutoIt/Passup.A infection?

In this article you will locate about the meaning of PWS:AutoIt/Passup.A and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by on-line fraudulences to demand paying the ransom by a sufferer.

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In the majority of the instances, PWS:AutoIt/Passup.A virus will certainly advise its victims to launch funds transfer for the objective of reducing the effects of the changes that the Trojan infection has presented to the target’s device.

PWS:AutoIt/Passup.A Summary

These adjustments can be as follows:

  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Performs some HTTP requests;
  • 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;
  • Looks up the external IP address;
  • 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
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • 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;
  • Attempts to modify UAC prompt behavior;
  • 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 papers found on the target’s hard drive — so the sufferer can no more use the data;
  • Preventing routine access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Trojan-Ransom.Win32.Blocker.jyst
a.tomx.xyz Trojan-Ransom.Win32.Blocker.jyst
educationaltools.info Trojan-Ransom.Win32.Blocker.jyst
icanhazip.com Trojan-Ransom.Win32.Blocker.jyst

PWS:AutoIt/Passup.A

The most regular channels through which PWS:AutoIt/Passup.A are infused are:

  • By means of phishing e-mails;
  • As a consequence of user winding up on a source that hosts a destructive software program;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or prevent the device from working in an appropriate way – while likewise placing a ransom note that mentions the requirement for the sufferers to impact the payment for the objective of decrypting the papers or restoring the file system back to the preliminary problem. In the majority of circumstances, the ransom money note will come up when the customer reboots the COMPUTER after the system has actually already been damaged.

PWS:AutoIt/Passup.A circulation channels.

In various corners of the world, PWS:AutoIt/Passup.A grows by jumps as well as bounds. Nevertheless, the ransom money notes and also techniques of extorting the ransom quantity might vary relying on specific neighborhood (regional) settings. The ransom money notes and tricks of extorting the ransom amount may vary depending on certain regional (regional) settings.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having actually found some unlicensed applications enabled on the victim’s device. The alert after that requires the customer to pay the ransom money.

    Faulty statements concerning prohibited content.

    In nations where software program piracy is less prominent, this approach is not as reliable for the cyber scams. Additionally, the PWS:AutoIt/Passup.A popup alert may falsely declare to be stemming from a law enforcement establishment as well as will certainly report having situated kid porn or various other illegal data on the gadget.

    PWS:AutoIt/Passup.A popup alert may incorrectly declare to be deriving from a legislation enforcement establishment as well as will certainly report having situated child porn or other prohibited information on the tool. The alert will similarly have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 58684640
md5: 670673e3c83d3eb68f085e7d701f9026
name: 670673E3C83D3EB68F085E7D701F9026.mlw
sha1: a37c2f86f83b4b2dfcd25e91173aee7be6e34e5d
sha256: a2fff23dceb6929f9da4d9abf51fb1b6f735d96883ef8484d7aa5ba1d32c51bb
sha512: 7b20662fc72c57655e76bc038e029382e985023d0cb840b9af315b132a3b97b33184d9d20b73d5b734139ac1e478301976174123b6e06ee09ea843de4526f756
ssdeep: 49152:WUTsamYnUsbHTobNAYUsbHTok+MUsbHTo6m:WaDnUkTcKYUkTyMUkTR
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: This pc is antiddos
FileVersion: This pc is antiddos
Comments: This pc is antiddos
FileDescription: This pc is antiddos
Translation: 0x0809 0x04b0

PWS:AutoIt/Passup.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
ClamAV Win.Malware.Autoit-6961072-0
FireEye Generic.mg.670673e3c83d3eb6
McAfee Artemis!670673E3C83D
Cylance Unsafe
Zillya Trojan.Blocker.Win32.37922
AegisLab Trojan.Win32.Blocker.4!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Spyware ( 004d8c0a1 )
BitDefender AIT:Trojan.GenericTKA.26
K7GW Spyware ( 004d8c0a1 )
Baidu Multi.Threats.InArchive
Cyren W32/AutoIt.QV.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Evo-gen [Susp]
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Blocker.jyst
Alibaba Ransom:Win32/Blocker.304124df
NANO-Antivirus Trojan.Win32.AutoIt.fbxlek
MicroWorld-eScan AIT:Trojan.GenericTKA.26
Rising Spyware.AutoLOG/Autoit!1.C9CE (CLASSIC)
Ad-Aware AIT:Trojan.GenericTKA.26
Sophos Mal/Generic-S
Comodo Malware@#11l38q9tsp4r7
F-Secure Trojan.TR/Downloader.Gen
DrWeb Trojan.DownLoad4.6597
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
Emsisoft AIT:Trojan.GenericTKA.26 (B)
Ikarus Dropper.AutoIt
Avira TR/Downloader.Gen
MAX malware (ai score=81)
Antiy-AVL GrayWare/Autoit.Execute.a
Microsoft PWS:AutoIt/Passup.A
Arcabit AIT:Trojan.Nymeria.402
ZoneAlarm Trojan-Ransom.Win32.Blocker.jyst
GData AIT:Trojan.Nymeria.402 (5x)
AhnLab-V3 Malware/Win32.Generic.C1904323
BitDefenderTheta AI:Packer.DBCB5E9518
ALYac AIT:Trojan.Nymeria.402
Malwarebytes Malware.AI.1013873878
Panda Trj/CI.A
ESET-NOD32 multiple detections
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/AutoIt.CB!tr
AVG Win32:Evo-gen [Susp]
Cybereason malicious.3c83d3
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOUA

How to remove PWS:AutoIt/Passup.A ransomware?

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

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft3.

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 PWS:AutoIt/Passup.A 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 PWS:AutoIt/Passup.A you can always ask me in the comments for getting help.

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References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. 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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