Ransom:Win32/Weenloc

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

What is Ransom:Win32/Weenloc infection?

In this article you will certainly discover regarding the meaning of Ransom:Win32/Weenloc and also its adverse impact on your computer system. Such ransomware are a type of malware that is clarified by online scams to require paying the ransom by a target.

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In the majority of the situations, Ransom:Win32/Weenloc infection will certainly instruct its targets to start funds transfer for the objective of counteracting the amendments that the Trojan infection has presented to the victim’s device.

Ransom:Win32/Weenloc Summary

These alterations can be as adheres to:

  • 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 documents located on the victim’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing regular accessibility to the target’s workstation;

Ransom:Win32/Weenloc

One of the most common networks where Ransom:Win32/Weenloc are injected are:

  • By means of phishing emails;
  • As an effect of user ending up on a resource that organizes a destructive software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or prevent the tool from operating in an appropriate fashion – while additionally positioning a ransom note that discusses the need for the targets to impact the repayment for the objective of decrypting the papers or bring back the data system back to the preliminary condition. In most circumstances, the ransom note will show up when the customer reboots the PC after the system has actually already been damaged.

Ransom:Win32/Weenloc circulation networks.

In various corners of the world, Ransom:Win32/Weenloc grows by leaps and bounds. Nonetheless, the ransom money notes and also techniques of obtaining the ransom money amount may differ depending upon particular local (regional) setups. The ransom notes and also methods of obtaining the ransom money amount might vary depending on specific regional (regional) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software application.

    In particular areas, the Trojans usually wrongfully report having spotted some unlicensed applications enabled on the target’s gadget. The sharp then requires the user to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In countries where software piracy is much less preferred, this method is not as efficient for the cyber frauds. Alternatively, the Ransom:Win32/Weenloc popup alert may incorrectly claim to be deriving from a police organization and also will certainly report having situated kid pornography or various other unlawful information on the device.

    Ransom:Win32/Weenloc popup alert might incorrectly assert to be acquiring from a legislation enforcement institution as well as will report having situated child porn or various other unlawful information on the tool. The alert will in a similar way have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 5B887149
md5: 857b78e9a2573697c40952bbaa14e991
name: openallachivementsteamgames.exe
sha1: 30291c102b911e0a68a3c451c565db3e5e22f76a
sha256: 27dcb9a367cfb67c834f95aa889fcf77ba5a26215629d21bf80e3c243cb8ed19
sha512: 5ac82a5c755bbf1a907b1064514eaf9e6a23a83971b35f7f39beb1cc30a7d5d50ba3815c62c19c4a0b76f9f960783a1f6aecc406348a2222baf0d6abebc73757
ssdeep: 6144:sLy84u9nSO2GjZkD10BIY3rb1YfBdfpoZ3u/Ht52w6JSeiFPX5CB:4+u9nx2GjMY3XKfd/H/9PAB
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Weenloc also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.BitwanX.Trojan
MicroWorld-eScanTrojan.Generic.5848174
FireEyeGeneric.mg.857b78e9a2573697
CAT-QuickHealRansom.Weenloc.A8
Qihoo-360HEUR/QVM05.1.633F.Malware.Gen
ALYacTrojan.Generic.5848174
CylanceUnsafe
VIPRETrojan.Win32.Birele.mby (v)
SangforMalware
K7AntiVirusTrojan ( 0039911e1 )
BitDefenderTrojan.Generic.5848174
K7GWTrojan ( 0039911e1 )
Cybereasonmalicious.9a2573
TrendMicroRansom_WINLOCK.SM
BitDefenderThetaAI:Packer.57603CFA21
F-ProtW32/Trojan2.OAEZ
SymantecTrojan.Ransomlock
ESET-NOD32Win32/LockScreen.AGU
BaiduWin32.Trojan.LockScreen.b
APEXMalicious
AvastWin32:LockScreen-AHV [Trj]
ClamAVWin.Trojan.Fullscreen-41
GDataTrojan.Generic.5848174
KasperskyTrojan-Ransom.Win32.Blocker.jzec
AlibabaRansom:Win32/Blocker.e556b7ed
NANO-AntivirusTrojan.Win32.Fullscreen.crnep
ViRobotTrojan.Win32.A.ChameleonUnlicence.383298
TencentTrojan-Ransom.Win32.Blocker.jzec
Ad-AwareTrojan.Generic.5848174
TACHYONRansom/W32.DP-PornoAsset.407040
SophosMal/Ransom-AI
ComodoTrojWare.Win32.Ransom.Fullscreen.fgt@4t6ar8
F-SecureTrojan.TR/ATRAPS.Gen
DrWebTrojan.Winlock.3333
ZillyaTrojan.Fullscreen.Win32.35
Invinceaheuristic
Trapminemalicious.high.ml.score
EmsisoftTrojan.Generic.5848174 (B)
IkarusTrojan-Ransom.Fullscreen
CyrenW32/Trojan.GDVD-7096
JiangminTrojan/Fullscreen.ak
AviraTR/ATRAPS.Gen
Antiy-AVLTrojan[Ransom]/Win32.PornoAsset.cioy
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D593C6E
SUPERAntiSpywareTrojan.Agent/Gen-Ransom
AhnLab-V3Trojan/Win32.Atraps.R214152
ZoneAlarmTrojan-Ransom.Win32.Blocker.jzec
MicrosoftRansom:Win32/Weenloc
CynetMalicious (score: 100)
TotalDefenseWin32/Ransom.PC
McAfeeTrojan-FAZX!857B78E9A257
MAXmalware (ai score=89)
VBA32Hoax.PornoAsset
MalwarebytesTrojan.Winlock
PandaGeneric Malware
ZonerTrojan.Win32.46437
TrendMicro-HouseCallRansom_WINLOCK.SM
RisingTrojan.Win32.Weenloc.a (CLOUD)
YandexTrojan.WinBlock.Black.Gen.AA
SentinelOneDFI – Suspicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/LockScreen.AGU!tr
AVGWin32:LockScreen-AHV [Trj]
CrowdStrikewin/malicious_confidence_100% (W)
MaxSecureTrojan.Malware.6466044.susgen

How to remove Ransom:Win32/Weenloc 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 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 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:

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If the guide doesn’t help you to remove Ransom:Win32/Weenloc 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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