Ransom.Weenloc.A8

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

What is Ransom.Weenloc.A8 infection?

In this article you will certainly find about the meaning of Ransom.Weenloc.A8 as well as its unfavorable effect on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to demand paying the ransom money by a target.

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Most of the instances, Ransom.Weenloc.A8 virus will certainly instruct its victims to start funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the victim’s device.

Ransom.Weenloc.A8 Summary

These modifications can be as follows:

  • 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 target’s hard drive — so the target can no longer utilize the information;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom.Weenloc.A8

One of the most common networks whereby Ransom.Weenloc.A8 Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a resource that holds a destructive software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or stop the tool from working in an appropriate manner – while likewise positioning a ransom money note that states the need for the victims to effect the repayment for the function of decrypting the papers or recovering the data system back to the initial problem. In a lot of instances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has actually already been harmed.

Ransom.Weenloc.A8 circulation networks.

In various edges of the globe, Ransom.Weenloc.A8 grows by leaps and also bounds. However, the ransom money notes and also methods of extorting the ransom amount might differ depending upon particular local (regional) settings. The ransom money notes and also techniques of obtaining the ransom amount might differ depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In specific areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the victim’s tool. The sharp after that demands the user to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In countries where software program piracy is much less prominent, this technique is not as reliable for the cyber fraudulences. Alternatively, the Ransom.Weenloc.A8 popup alert may falsely declare to be deriving from a law enforcement establishment and will report having situated youngster porn or various other illegal data on the tool.

    Ransom.Weenloc.A8 popup alert might falsely declare to be obtaining from a regulation enforcement organization and will certainly report having located kid porn or other unlawful data on the tool. The alert will in a similar way have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 2A3F8109
md5: 7792960d625022805b358b11044ce36c
name: 15.08.18.exe
sha1: daf174ada46367a9e5fe0585977bb64a2c8fafa2
sha256: 8e2b7417b7ca80477791bce57d5d660ba4d060e4ab0d7bdb3c5d8151cfc9d2f2
sha512: 6c3c7b54e826f8486418423836f0fd1e792cb616b388d769adfe90475bb92c50f4d079b6880938440f3c98d196b4f4f5f5344bedb6ecd3c90dd2ac7076ebb90b
ssdeep: 6144:MLy84u9nSO2GjZkD10BIY3rb1YfBdfpoZ3u/Ht52w6JSeiFPXmd7:Y+u9nx2GjMY3XKfd/H/9PC7
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.Weenloc.A8 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.BitwanX.Trojan
MicroWorld-eScanTrojan.Generic.5848174
CMCTrojan-Ransom.Win32.Fullscreen!O
CAT-QuickHealRansom.Weenloc.A8
ALYacTrojan.Generic.5848174
CylanceUnsafe
ZillyaTrojan.Fullscreen.Win32.35
TheHackerTrojan/LockScreen.agu
BitDefenderTrojan.Generic.5848174
K7GWTrojan ( 0039911e1 )
K7AntiVirusTrojan ( 0039911e1 )
ArcabitTrojan.Generic.D593C6E
TrendMicroRansom_WINLOCK.SM
BaiduWin32.Trojan.LockScreen.b
F-ProtW32/Trojan2.OAEZ
SymantecTrojan.Ransomlock
TotalDefenseWin32/Ransom.PC
TrendMicro-HouseCallRansom_WINLOCK.SM
ClamAVWin.Trojan.Fullscreen-41
KasperskyTrojan-Ransom.Win32.Blocker.jzec
NANO-AntivirusTrojan.Win32.Fullscreen.crnep
ViRobotTrojan.Win32.A.ChameleonUnlicence.383298
AegisLabTroj.W32.Gen.lr4z
RisingTrojan.Win32.Weenloc.a (CLASSIC)
Ad-AwareTrojan.Generic.5848174
EmsisoftTrojan.Generic.5848174 (B)
ComodoTrojWare.Win32.Ransom.Fullscreen.fgt
F-SecureTrojan.Generic.5848174
DrWebTrojan.Winlock.3333
VIPRETrojan.Win32.Birele.mby (v)
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Generic.fh
SophosMal/Ransom-AI
IkarusTrojan-Ransom.Win32.Birele
CyrenW32/Trojan.GDVD-7096
JiangminTrojan/Fullscreen.ak
WebrootW32.Trojan.Fullscreen.Gen
AviraTR/ATRAPS.Gen
MAXmalware (ai score=96)
Antiy-AVLTrojan[Ransom]/Win32.PornoAsset.cioy
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftRansom:Win32/Weenloc.A
Endgamemalicious (high confidence)
SUPERAntiSpywareTrojan.Agent/Gen-Ransom
ZoneAlarmTrojan-Ransom.Win32.Blocker.jzec
GDataTrojan.Generic.5848174
AhnLab-V3Trojan/Win32.Atraps.R214152
McAfeeTrojan-FAZX!7792960D6250
AVwareTrojan.Win32.Birele.mby (v)
TACHYONTrojan/W32.Agent.407040.CO
VBA32TScope.Trojan.Delf
MalwarebytesTrojan.Winlock
PandaGeneric Malware
ZonerTrojan.Fullscreen
ESET-NOD32Win32/LockScreen.AGU
TencentTrojan-Ransom.Win32.Blocker.jzec
YandexTrojan.Birele!I1QdjyneXiI
SentinelOnestatic engine – malicious
FortinetW32/LockScreen.AGU!tr
AVGWin32:LockScreen-AHV [Trj]
Cybereasonmalicious.d62502
AvastWin32:LockScreen-AHV [Trj]
CrowdStrikemalicious_confidence_90% (D)
Qihoo-360HEUR/QVM05.1.3759.Malware.Gen

How to remove Ransom.Weenloc.A8 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.Weenloc.A8 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.Weenloc.A8 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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