Trojan:Win32/Wacatac.A!rfn

What is Trojan:Win32/Wacatac.A!rfn infection?

In this short article you will locate regarding the interpretation of Trojan:Win32/Wacatac.A!rfn and also its adverse influence on your computer. Such ransomware are a form of malware that is clarified by on the internet fraudulences to require paying the ransom money by a target.

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Most of the instances, Trojan:Win32/Wacatac.A!rfn virus will instruct its targets to initiate funds move for the function of neutralizing the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Trojan:Win32/Wacatac.A!rfn Summary

These adjustments can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Likely virus infection of existing system binary;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s hard drive — so the target can no more use the information;
  • 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.

Trojan:Win32/Wacatac.A!rfn

One of the most normal networks through which Trojan:Win32/Wacatac.A!rfn Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of customer winding up on a source that holds a harmful software program;

As soon as the Trojan is effectively infused, it will either cipher the information on the target’s computer or prevent the device from functioning in an appropriate fashion – while also placing a ransom money note that mentions the need for the victims to impact the settlement for the objective of decrypting the records or recovering the file system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly show up when the customer reboots the PC after the system has actually already been damaged.

Trojan:Win32/Wacatac.A!rfn circulation channels.

In numerous edges of the world, Trojan:Win32/Wacatac.A!rfn expands by leaps and bounds. Nonetheless, the ransom notes and methods of extorting the ransom amount might vary depending upon particular local (regional) settings. The ransom notes as well as techniques of obtaining the ransom amount might differ depending on particular neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the target’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty declarations concerning prohibited web content.

    In countries where software program piracy is much less popular, this technique is not as efficient for the cyber scams. Additionally, the Trojan:Win32/Wacatac.A!rfn popup alert may incorrectly claim to be stemming from a law enforcement institution and also will report having situated kid porn or other prohibited data on the tool.

    Trojan:Win32/Wacatac.A!rfn popup alert may falsely claim to be deriving from a regulation enforcement institution as well as will report having situated child porn or other prohibited information on the device. The alert will in a similar way consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 9B7CB4A7
md5: 9823800f063a1d4ee7a749961db7540f
name: 9823800F063A1D4EE7A749961DB7540F.mlw
sha1: 9d2917a668b30ba9f6b3e7a3316553791eb1c052
sha256: a9524de985a3ecc43e11dd7c051a4bbfe08c3d71cde98ea9bb6ea7f32c0cb174
sha512: c48624e32dba7f08ce0ca8267e541b123c6a9bf848b81d9e62f7fc4bec9b8ed801a6204ffaece4decf0d31bf2595867ff6f8c0b176e366848b61145cc585e41e
ssdeep: 12288:Yn+KS3UINuBGCz0SxWUNmH2o8PXwU9Eq7zKloxTwRtjauqCXy3X:Y+FUKWAHNqXwUlzD9w7PqCin
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Wacatac.A!rfn also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.Common.20B8BE64
K7AntiVirus Trojan ( 00564f7e1 )
DrWeb Trojan.Encoder.28416
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.ChaCha
Cylance Unsafe
Zillya Trojan.Gen.Win32.2155
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Kryptik.50ffb6db
K7GW Trojan ( 00564f7e1 )
Cybereason malicious.f063a1
Symantec Downloader
ESET-NOD32 a variant of Win32/Kryptik.GTLN
APEX Malicious
Avast FileRepMalware
ClamAV Win.Ransomware.Maze-7449729-0
Kaspersky Trojan-Ransom.Win32.Gen.qne
BitDefender DeepScan:Generic.Ransom.GarrantDecrypt.B.9BD587D8
NANO-Antivirus Trojan.Win32.Kryptik.fqqmdc
ViRobot Trojan.Win32.S.MazeRansom.458240
MicroWorld-eScan DeepScan:Generic.Ransom.GarrantDecrypt.B.9BD587D8
Tencent Win32.Trojan.Maze.Bsns
Ad-Aware DeepScan:Generic.Ransom.GarrantDecrypt.B.9BD587D8
Sophos Mal/Generic-S
Comodo Malware@#2owfpg32xuoj3
BitDefenderTheta AI:Packer.F3DAD95B1F
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
FireEye Generic.mg.9823800f063a1d4e
Emsisoft DeepScan:Generic.Ransom.GarrantDecrypt.B.9BD587D8 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Ransom
Avira TR/Dropper.Gen
Microsoft Trojan:Win32/Wacatac.A!rfn
AegisLab Trojan.Win32.Gen.j!c
ZoneAlarm Trojan-Ransom.Win32.Gen.qne
GData DeepScan:Generic.Ransom.GarrantDecrypt.B.9BD587D8
TACHYON Ransom/W32.Maze.458240
AhnLab-V3 Trojan/Win32.RansomCrypt.R272507
Acronis suspicious
McAfee Ransomware-GUZ!9823800F063A
VBA32 BScope.Trojan.Wacatac
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_Gen.R02CC0PKA20
Rising Ransom.Agent!8.6B7 (CLOUD)
Yandex Trojan.Gen!sNvuUJgZNqg
Ikarus Trojan.Dropper
MaxSecure Trojan.Malware.74334749.susgen
Fortinet W32/Kryptik.GTLN!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HwoCFlsA

How to remove Trojan:Win32/Wacatac.A!rfn virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

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 Trojan:Win32/Wacatac.A!rfn 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 Trojan:Win32/Wacatac.A!rfn 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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