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Christmas tree virus. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Viruses

Christmas tree virus is a strain of Christmas virus that grows from a system flaw to a malware weapon 

Christmas tree virus
Christmas tree virus is the malware creation that gets to the systems of people during the time of winter holidays.

Christmas tree virus is a mass-mailer worm that can cause paralyze on the whole system. This malware is known since 1987, but it is still luring to affect users devices during the busiest time of the year. When Christmas time rolls around, malicious actors take advantage of the holiday and spread their products.[1] Christmas virus category has a lot of different threats used during the Holidays and Christmas tree exec is one of the more known. This malware arrives in an email with the subject line “Let this exec run and enjoy yourself!” and later on spreads the script on a whole network and causes havoc. The user must execute the malicious code by typing christma or christmas, and the text message gets displayed on the screen with a Christmas tree.

Name Christmas tree virus
Type Trojan/worm[2]
Category Malware
Related Christmas virus
Also known Christmas tree exec
Known since 1987
Tactics Once the targeted system gets infiltrated malware send the copy of itself to everyone on the email contact list
Distribution Infected email attachments
Fix Use anti-malware like Reimage and clean the system further while performing Christmas tree virus removal

Christmas tree virus is called one of the first computer malware products that changed the history if the cybersecurity.[3] Rexx language is used for this malware code to launch the malicious script and drew the Christmas tree on the screen and display the text. When this is done malware targets email contacts of the victim and sends the copy of this malicious virus to every one of them. 

This malware dubbed Christmas tree virus is the first mass-mailing worm and one of the most prominent cyber threats that can paralyze a system and affect the device from one insecure email notification. The user needs to execute the malicious code by manually entering christma or christmas, and the ASCII Christmas tree gets displayed on the screen.

Also, Christmas tree exec developers hide the message in the virus source code: browsing this file is no fun at all just type CHRISTMAS from cms. The man message delivered to the victims' computer alongside the Christmas tree reads the following:

 A VERY HAPPY CHRISTMAS AND MY BEST WISHES FOR THE NEXT YEAR

Christmas tree virus is a worm that runs on various systems except for VM/CMS. Names and Netlog information are unique on these systems, so this malware cannot collect the contact information necessary for the replication and REXX language interpretation. 

People tend to overlook many things online while shopping for Christmas gifts or browsing on the busy Holiday schedule, so malicious actors release their malware and other programs during this time. No exception is the Christmas tree virus because the first version was launched on December 9th. Even though, the initial attack was in 1987 this holiday malware category is affecting users all over the world in 2018 too.

You need to remove the Christmas tree virus from the system using a reputable anti-malware program like Reimage. This type of cyber threats requires a full system scan during malware removal. Especially, when dealing with trojans and worms because experts[4] note about the background processes and additional system changes these programs can make on the device.

Make sure to perform a Christmas tree virus removal using a trustworthy tool because of risk getting cyber infections during insecure installations. You may also need to enter the Safe Mode before running the anti-malware program so your program can run smoothly as it supposed to.

Spam email distribute insecure files with malicious codes since 1987

Worms, malware, and trojans can gain access to the system of your computer using various techniques. These methods include fake updates or installs, hyperlinks, and fake tools. However, the most common technique is spam emails with attached files that contain malicious script and payload droppers. 

Infected documents may look safe and legitimate because of the common format or file name, but the message on the email itself is neither valuable or legitimate. Malicious executables distribute trojans, worms or other malware and launch the process on the system automatically. 

Unfortunately, these files can be set to launch further malware distribution and infect the device with more severe infections like ransomware or cryptojacking malware. Be aware that you can scan the file before opening it on the device and delete suspicious emails without even opening them. 

Remove Christmas tree virus from a system with anti-malware tools 

For the best results of Christmas tree virus removal, you need to employ reputable anti-malware tools like Reimage, Malwarebytes MalwarebytesCombo Cleaner, Plumbytes Anti-MalwareMalwarebytes Malwarebytes or any antivirus of your choice. This is the best tip we can give you on this type of malware attacks. Especially important is to keep antivirus up-to-date when you constantly browser online shopping websites and other commercial pages.

Various redirects from those sites can lead to malicious pages and cyber infections. Remember to remove Christmas tree virus from the device before anything else because your private information may get exposed due to the malware infection. Hackers and other cybercriminals can access various account credentials.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Christmas tree virus, follow these steps:

Remove Christmas tree using Safe Mode with Networking

You may need to reboot the device in Safe Mode with networking for antivirus tools to work properly

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Christmas tree

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Christmas tree removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Christmas tree using System Restore

Perform Christmas tree virus removal with System restore feature and restore the device to a previous state

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Christmas tree. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Christmas tree removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Christmas tree and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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References