Trojan:Win32/Wacatac

This article covers the description for Trojan:Win32/Wacatac virus. Removal Guide, suggested Virus Scanner, and ways to Protect the Computer are also included.

What is Trojan:Win32/Wacatac?

Microsoft Defender Antivirus can detect Trojan:Win32/Wacatac if the identified file belongs to a suspicious group of malware that is characterized by ransomware activities. This virus normally arrives on the Windows computer as a file dropped by a separate Trojan contamination. There are also cases that Trojan:Win32/Wacatac manages to penetrate the computer when computer users visits a malicious website or have downloaded an executable file from this compromised source.

Threat Behavior

Trojan:Win32/Wacatac is normally dropped or downloaded from a remote server by the existing virus infection. Downloading malicious file installers like cracked software, license key generator, or fake software update could also lead to this virus contamination. There are also instances that Trojan:Win32/Wacatac was able to enter the computer through other means such as phishing emails, social engineering attacks, software exploits, Botnets, or malicious advertisements.

Once the computer user executes the malicious file, Trojan:Win32/Wacatac immediately launches the attack and perform a number of actions as commanded by remote attackers. This virus performs an auto start technique by adding a registry entry that runs the virus on each Windows boot up.

Payload

Trojan:Win32/Wacatac is a hazardous type of computer virus that hackers are utilizing to launch a successful ransomware attack. After infecting the computer, this threat can perform different malicious actions including the following:

  • Opens a backdoor port and allows the remote attacker to control the computer.
  • Download additional malware from the remote server.
  • Established a communication to receive commands from a remote computer.
  • Collect computer user’s credentials and network information.
  • Dump the gathered data to a specified server.

Some examples of hazardous ransomware that were identified with this signature includes INFECTION ransomware, XinFrams, Ancrypted1@gmail.com, and Epsilon.

Illustration for Trojan:Win32/Wacatac

List of Variants

Versions of Trojan:Win32/Wacatac
Version NameAlert LevelDate Added
Trojan:Script/Wacatac.A!mlSevereMay 07, 2019
Trojan:Win32/Wacatac.B!mlSevereMay 07, 2019
Trojan:Win32/Wacatac.A!MTBSevereJun 11, 2019
Trojan:Win32/Wacatac.A!rfnSevereDec 14, 2019
Trojan:Win32/Wacatac!mlSevereDec 23, 2019
Trojan:Win32/Wacatac.C!ctvSevereJan 24, 2020
Trojan:Win32/Wacatac.D9!rfnSevereJul 28, 2020
For complete details including full list of Trojan:Win32/Wacatac variants, please refer to this Microsoft Security Intelligence page

How to remove Trojan:Win32/Wacatac?

To totally remove Trojan:Win32/Wacatac from the computer and get rid of relevant virus and trojan, please execute the procedures as stated on this page. Make sure that you have completely scan the system with suggested malware removal tools and virus scanners.

Remove Trojan:Win32/Wacatac Instantly

To instantly remove Trojan:Win32/Wacatac, we suggest that you scan the infected computer with this powerful anti-malware tool. It can detect and get rid of Trojans, viruses, malware, and adware from the infected computer. To fully protect the computer against Trojan:Win32/Wacatac or similar attack, you can activate Malwarebytes to have real-time scanning and complete defense against all forms of threats.

1. Download Malwarebytes Anti-Malware from the link below. Save the file on your hard drive.

2. Once the download completes, double-click on the file MBSetup.exe to run the program.

3. Select desired installation package whether for Personal Computer or Work Computer.

4. On next window, click Install button to proceed.

MBAM Default Install

5. Just proceed with the succeeding prompts until it start to execute the installation procedure.

6. Installation process will take less than a minute. It should run automatically after completing the setup.

7. When Malwarebytes Anti-Malware interface appears, please select Scan on the menu. The program will check for any available update before proceeding. Do not skip this step. Virus scan may take a while, please wait for the process to finish.

MBAM-threatscan

8. When scanning is done, Malwarebytes Anti-Malware will display the list of identified threats. Remove all and restart the computer to finalized the scan process.

After executing the above instructions, Trojan:Win32/Wacatac should have been eliminated totally from the computer. If there are still signs of infection or computer is displaying unusual behaviors, please continue with the remaining procedures.

Stage 1 : Start Windows in Safe Mode With Networking

Windows 10 Guide

1. Click on Windows logo and select Power icon when options pop-ups.
2. Select Restart from the options while pressing Shift key on the keyboard.
3. Choose an Option window will appear, select the Troubleshoot button.
4. On next window, please choose Advanced Option.
5. On Advanced Option window, click on Startup Settings and then, click Restart button to reboot the computer.
6. When Windows boot on Startup Settings, press function key F5 or number 5 on keyboard.

A simpler alternative for Windows 10 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Windows 8 Guide

1. Click Windows Start icon at the lower left section of the screen.
2. Open Search window and type Advanced in the field. It will open General PC Settings.
3. Click on Advanced Startup and then, click on Restart Now button.
4. Once the computer starts in Advanced Startup option menu, select Troubleshoot.
5. Next, click on Advanced Options to reveal the next section.
6. Click Startup settings and then, click Restart button to boot the PC in Startup Settings.
7. Use function key F5 or number key 5 to Enable Safe Mode with Networking.

Stage 2 :Double Check with Microsoft Security Apps

Microsoft Windows has built-in security application that you can use to double-check if computer is still infected with Trojan:Win32/Wacatac. For Windows 8 and 10 users, please run Windows Defender. Users of Windows Vista and older versions can utilize Microsoft Security Essentials to remove Trojan:Win32/Wacatac virus.

Windows 8 / 10 Instructions:

Windows Defender is a free tool that was built help you remove Trojan:Win32/Wacatac, viruses, and other malicious items from Windows 8 or Windows 10 system. Follow these procedures to scan your computer with Windows Defender:

1. Tap or click the Search charm, search for defender, and then open Windows Defender.

If Windows Defender is not yet installed on the computer, please proceed to download page using the link below. It also contains detailed instruction to install and use the program effectively. Proper usage is required to totally remove Trojan:Win32/Wacatac

WD-charm

2. On the Home tab, click Full under Scan Options. Click Scan now to start scanning for presence of Trojan:Win32/Wacatac. The process may take a while to complete.

WD-fullscan

3. After the scan, delete/quarantine identified threats wether it is relevant to Trojan:Win32/Wacatac or not. You may now restart Windows to complete the virus removal process.

Windows XP, Windows Vista, and Windows 7 Instructions:

1. Open Microsoft Security Essentials by going to Windows Start > All Programs. If the tool is not yet installed on the computer, please download Microsoft Security Essentials from the link below. Save the file on your hard drive.

Complete installation guide and usage are also provided on the same link. It is essential in removing Trojan:Win32/Wacatac effectively. If Microsoft Security Essentials is already installed on the PC, please proceed with the steps below.

2. On Microsoft Security Essentials Home screen, please choose Full under Scan Options.

MSE Full Scan

3. Click on Scan Now button to start detecting Trojan:Win32/Wacatac items, viruses, and malware on the PC. Scan may take a while, please be patient and wait for the process to end.

How to protect the computer?

The initial defense that comes to the mind of any computer users is to install an anti-virus or anti-malware program. This move is sensible and probably the most practical way to protect the computer against Trojan:Win32/Wacatac attack. Hence, keep in mind that having a security software do not give full guarantee of protection. The most part of the prevention still lies on being cautious of users and therefore we are providing the following information as guidelines to protect the computer from virus infection.

Avoid Malicious Websites

There are enormous numbers of websites that was made for the primary purpose of spreading Trojan:Win32/Wacatac. Normally, these sites are involved in integrating malicious pop-up and browser hijacker, that will eventually cause further virus infection. Avoid such kind of websites.

Delete Phishing Emails

The mass-mailing of computer viruses gives the attackers the luxury of spreading their malicious code in just one send off. This will arrive in the inbox as email that appears to be from a legitimate organization. So, if you receive an unexpected email with a link or an attached file, better delete it immediately.

Do Not Click a Suspicious Link

Links from social media, forums, and blog sites are sometimes being utilized by attackers to drive web users to a malicious page that contains malicious code. Therefore, do not just click on any link especially if it looks suspicious. Accidental access to the destination site may lead to Trojan:Win32/Wacatac infection.

Be Careful When Downloading Files

Cracked software, serial key generators, and several freeware are seen as another method that spreads the Trojan:Win32/Wacatac virus. Avoid acquiring these types of application and if there is a need to download a freeware or shareware, be sure to obtain it from the official website or trusted providers.

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