Win32:WanaCry-A [Trj]

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

What is Win32:WanaCry-A [Trj] infection?

In this short article you will certainly locate regarding the interpretation of Win32:WanaCry-A [Trj] and also its adverse influence on your computer system. Such ransomware are a type of malware that is specified by on-line frauds to demand paying the ransom money by a sufferer.

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In the majority of the cases, Win32:WanaCry-A [Trj] ransomware will instruct its sufferers to launch funds transfer for the function of counteracting the modifications that the Trojan infection has presented to the target’s device.

Win32:WanaCry-A [Trj] 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.
  • A process attempted to delay the analysis task.;
  • Attempts to connect to a dead IP:Port (460 unique times);
  • 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;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • 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.
  • EternalBlue behavior. Allows cyber threat actors to remotely execute arbitrary code and gain access to a network by sending specially crafted packets.

    This is has made EternalBlue trick popular with various malware, such as Trickbot, a modular banking trojan, as well as CoinMiner and WannaMine, crypto miners that use the EternalBlue exploit in order to gain access to computing power to mine cryptocurrencies.

  • Generates some ICMP traffic;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard disk drive — so the victim can no more utilize the information;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains
www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.comRansom/W32.WannaCry.5267459.F
ww38.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwff.comRansom/W32.WannaCry.5267459.F

Win32:WanaCry-A [Trj]

One of the most typical channels where Win32:WanaCry-A [Trj] Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a source that organizes a destructive software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or prevent the tool from working in an appropriate way – while additionally placing a ransom money note that discusses the demand for the victims to effect the payment for the purpose of decrypting the files or recovering the documents system back to the preliminary problem. In the majority of circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has already been harmed.

Win32:WanaCry-A [Trj] circulation channels.

In various corners of the globe, Win32:WanaCry-A [Trj] grows by jumps and bounds. Nevertheless, the ransom money notes and techniques of extorting the ransom money amount may vary depending upon specific neighborhood (regional) setups. The ransom money notes and tricks of extorting the ransom money amount may differ depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the victim’s tool. The sharp then demands the customer to pay the ransom money.

    Faulty statements concerning illegal content.

    In nations where software piracy is less preferred, this method is not as effective for the cyber scams. Additionally, the Win32:WanaCry-A [Trj] popup alert may incorrectly claim to be originating from a police institution and will report having located child porn or various other illegal information on the tool.

    Win32:WanaCry-A [Trj] popup alert might wrongly assert to be obtaining from a law enforcement institution and also will report having located child pornography or various other illegal data on the device. The alert will in a similar way have a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 3FE75CA4
md5: e13911c54daba2f1da0efb3f32ba87cb
name: tmpg_86w3p3
sha1: be098ce6bb9b0af16c0204c7ddb173f06cc4df22
sha256: bdc199a4011db698b1abe3f283c2901a2e222463c6890b47229992b348afc76b
sha512: 8b151618d43e3f9d8fb2b3d43bdaa640d4583d2df7383a2c68f1d45c546882c919654b3156d649e5b55fbfa886facef4b945ff3630bbb8b9d0a320734aec634e
ssdeep: 24576:RbLgurihdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLK:RnnMSPbcBVQej/1IN
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:WanaCry-A [Trj] also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusExploit ( 0050d7a31 )
MicroWorld-eScanTrojan.GenericKD.12015782
nProtectRansom/W32.WannaCry.5267459.F
CAT-QuickHealRansom.Zenshirsh.SL8
ALYacTrojan.GenericKD.12015782
MalwarebytesRansom.WannaCrypt
VIPRETrojan.Win32.Generic!BT
TheHackerTrojan/Exploit.CVE-2017-0147.a
K7GWExploit ( 0050d7a31 )
CrowdStrikemalicious_confidence_100% (D)
ArcabitTrojan.Generic.DB758A6
TrendMicroRansom_WCRY.SMJ
BaiduWin32.Worm.Rbot.a
SymantecRansom.Wannacry
TrendMicro-HouseCallRansom_WCRY.SMJ
AvastWin32:WanaCry-A [Trj]
ClamAVWin.Ransomware.WannaCry-6313787-0
KasperskyTrojan-Ransom.Win32.Wanna.m
BitDefenderTrojan.GenericKD.12015782
NANO-AntivirusTrojan.Win32.Wanna.epxkni
ViRobotTrojan.Win32.WannaCry.5267459
TencentSuspicious.Heuristic.Gen.b.0
Ad-AwareTrojan.GenericKD.12015782
EmsisoftTrojan.GenericKD.12015782 (B)
F-SecureTrojan.GenericKD.12015782
DrWebTrojan.Encoder.11432
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.RansomWannaCry.tz
IkarusTrojan.Win32.Exploit
CyrenW32/WannaCrypt.A.gen!Eldorado
JiangminTrojan.Wanna.k
WebrootW32.Trojan.Gen
AviraTR/WannaCrypt.wffqt
Antiy-AVLTrojan[Ransom]/Win32.Wanna
Endgamemalicious (high confidence)
AegisLabTroj.Ransom.W32.Wanna.toP0
ZoneAlarmTrojan-Ransom.Win32.Wanna.m
GDataWin32.Exploit.CVE-2017-0147.A
AhnLab-V3Trojan/Win32.WannaCryptor.R200894
AVwareTrojan.Win32.Generic!BT
MAXmalware (ai score=81)
VBA32Hoax.Wanna
CylanceUnsafe
ESET-NOD32Win32/Exploit.CVE-2017-0147.A
RisingExploit.EternalBlue!1.AAED (CLASSIC)
YandexExploit.CVE-2017-0147!
SentinelOnestatic engine – malicious
eGambitTrojan.Generic
AVGWin32:WanaCry-A [Trj]
PandaTrj/GdSda.A
Qihoo-360QVM26.1.Malware.Gen

How to remove Win32:WanaCry-A [Trj] 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 Win32:WanaCry-A [Trj] 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 Win32:WanaCry-A [Trj] 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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