Ransom:Win32/Weenloc.A

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

What is Ransom:Win32/Weenloc.A infection?

In this article you will discover about the definition of Ransom:Win32/Weenloc.A as well as its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on-line frauds to demand paying the ransom by a victim.

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Most of the cases, Ransom:Win32/Weenloc.A ransomware will advise its victims to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s device.

Ransom:Win32/Weenloc.A Summary

These modifications can be as complies with:

  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Unconventionial language used in binary resources: Russian;
  • 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.
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the records located on the sufferer’s hard disk drive — so the target can no more make use of the information;
  • Preventing regular access 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.
Similar behavior
Related domains
z.whorecord.xyzRansom.Weenloc.A8
a.tomx.xyzRansom.Weenloc.A8

Ransom:Win32/Weenloc.A

The most typical channels whereby Ransom:Win32/Weenloc.A are infused are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a source that holds a destructive software;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s computer or protect against the tool from operating in an appropriate fashion – while likewise putting a ransom money note that states the demand for the sufferers to effect the repayment for the function of decrypting the papers or bring back the file system back to the preliminary condition. In the majority of circumstances, the ransom money note will come up when the client restarts the COMPUTER after the system has actually currently been damaged.

Ransom:Win32/Weenloc.A distribution channels.

In various corners of the world, Ransom:Win32/Weenloc.A expands by leaps as well as bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom money amount might differ depending on particular regional (local) settings. The ransom notes and methods of extorting the ransom money amount might vary depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having actually detected some unlicensed applications made it possible for on the target’s gadget. The alert then demands the user to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In countries where software program piracy is much less popular, this approach is not as effective for the cyber fraudulences. Additionally, the Ransom:Win32/Weenloc.A popup alert may falsely declare to be stemming from a law enforcement establishment and also will certainly report having situated youngster porn or other prohibited information on the tool.

    Ransom:Win32/Weenloc.A popup alert may incorrectly declare to be acquiring from a legislation enforcement institution as well as will certainly report having situated kid porn or various other unlawful information on the device. The alert will in a similar way include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: D44AE92F
md5: 597f61eb2c9364d6d7153242c9d7aa87
name: 23231.exe
sha1: ede54eee86cee181aea457fbb03bb0c361ea0e75
sha256: b125c6336eb923fba62ac22dddaf9e62731fc6336f190c66b93db12951a31c44
sha512: cb712507de3298c7d97fc92b6ba10a95b2fce94f65c876870c54a80cc62b28ca50e5f5898f7172e0d1a2a928947965b0f726546c1787617b5cb84a78a5d14386
ssdeep: 6144:MLy84u9nSO2GjZkD10BIY3rb1YfBdfpoZ3u/Ht52w6JSeiFPXmW7:Y+u9nx2GjMY3XKfd/H/9PV7
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Weenloc.A also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.BitwanX.Trojan
MicroWorld-eScanTrojan.Generic.5848174
FireEyeGeneric.mg.597f61eb2c9364d6
CAT-QuickHealRansom.Weenloc.A8
Qihoo-360Win32/Trojan.Ransom.eea
McAfeeTrojan-FAZX!597F61EB2C93
CylanceUnsafe
VIPRETrojan.Win32.Birele.mby (v)
AegisLabTrojan.Win32.Birele.j!c
SangforMalware
K7AntiVirusTrojan ( 0039911e1 )
BitDefenderTrojan.Generic.5848174
K7GWTrojan ( 0039911e1 )
CrowdStrikewin/malicious_confidence_100% (W)
TrendMicroRansom_WINLOCK.SM
BaiduWin32.Trojan.LockScreen.b
F-ProtW32/Trojan2.OAEZ
TotalDefenseWin32/Ransom.PC
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Trojan.Fullscreen-41
GDataTrojan.Generic.5848174
KasperskyTrojan-Ransom.Win32.Blocker.jzec
AlibabaRansom:Win32/Blocker.d56d803c
NANO-AntivirusTrojan.Win32.Fullscreen.crnep
ViRobotTrojan.Win32.A.ChameleonUnlicence.383298
AvastWin32:LockScreen-AHV [Trj]
TencentTrojan-Ransom.Win32.Blocker.jzec
Ad-AwareTrojan.Generic.5848174
EmsisoftTrojan.Generic.5848174 (B)
ComodoTrojWare.Win32.Ransom.Fullscreen.fgt@4t6ar8
F-SecureTrojan.TR/ATRAPS.Gen
DrWebTrojan.Winlock.3333
ZillyaTrojan.Fullscreen.Win32.35
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Fareit.fh
Trapminemalicious.high.ml.score
CMCTrojan-Ransom.Win32.Fullscreen!O
SophosMal/Ransom-AI
SentinelOneDFI – Malicious PE
CyrenW32/Trojan.GDVD-7096
JiangminTrojan/Fullscreen.ak
WebrootW32.Trojan.Fullscreen.Gen
AviraTR/ATRAPS.Gen
Antiy-AVLTrojan[Ransom]/Win32.PornoAsset.cioy
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D593C6E
SUPERAntiSpywareTrojan.Agent/Gen-Ransom
ZoneAlarmTrojan-Ransom.Win32.Blocker.jzec
MicrosoftRansom:Win32/Weenloc.A
TACHYONRansom/W32.DP-PornoAsset.407040
AhnLab-V3Trojan/Win32.Atraps.R214152
Acronissuspicious
BitDefenderThetaAI:Packer.270CC1F121
ALYacTrojan.Generic.5848174
MAXmalware (ai score=100)
VBA32TScope.Trojan.Delf
MalwarebytesTrojan.Winlock
ZonerTrojan.Win32.46437
ESET-NOD32Win32/LockScreen.AGU
TrendMicro-HouseCallRansom_WINLOCK.SM
RisingTrojan.Win32.Weenloc.a (CLOUD)
YandexTrojan.Birele!b/QsvsR/uOY
IkarusTrojan-Ransom.Birele
eGambitUnsafe.AI_Score_99%
FortinetW32/LockScreen.AGU!tr
AVGWin32:LockScreen-AHV [Trj]
Cybereasonmalicious.b2c936
PandaGeneric Malware
MaxSecureTrojan.Malware.9561540.susgen

How to remove Ransom:Win32/Weenloc.A 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

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.2.

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 Ransom:Win32/Weenloc.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 Ransom:Win32/Weenloc.A 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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