Remove APPDATA\STEAM virus (Removal Guide)

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What is APPDATA\STEAM?

APPDATA\STEAM is a pretty popular virus.

APPDATA\STEAM detected as TROJ.APPDATA.STEAM.

You can get it on your computer while downloading it bundled with some free software.
Sadly, most free downloads do not disclose that other programs will be installed, so you are more likely to get APPDATA\STEAM on your PC without your own knowledge.

After being downloaded, APPDATA\STEAM hijacks your browser and changes search settings.
APPDATA\STEAM also causes an appearance of popup ads and browser redirecting.

APPDATA\STEAM is very annoying and hard to get rid of.

Technical Information:

  • Full path on a computer= %APPDATA%\STEAM

You have 2 ways to remove APPDATA\STEAM:

You have 2 ways

Remove it automatically1. Remove Automatically.
Remove it manually2. Remove Manually.

Why I recommend you to use an automatic way?

  1. You know only one virus name: "APPDATA\STEAM", but usually you have infected by a bunch of viruses.
    The UnHackMe program detects this threat and all others.
  2. UnHackMe is quite fast! You need only 5 minutes to check your PC.
  3. UnHackMe uses the special features to remove hard in removal viruses. If you remove a virus manually, it can prevent deleting using a self-protecting module. If you even delete the virus, it may recreate himself by a stealthy module.
  4. UnHackMe is small and compatible with any antivirus.
  5. UnHackMe is fully free for 30-days!

Here’s how to remove APPDATA\STEAM virus automatically:

STEP 1: Install UnHackMe (1 minute)

STEP 2: Scan for malware using UnHackMe (1 minute)

STEP 3: Remove APPDATA\STEAM virus (3 minutes)

So it was much easier to fix such problem automatically, wasn't it?
That is why I strongly advise you to use UnHackMe for remove APPDATA\STEAM redirect or other unwanted software.

How to remove APPDATA\STEAM manually:

STEP 1: Check all shortcuts of your browsers on your desktop, taskbar and in the Start menu. Right click on your shortcut and change it's properties.

http://…

You can see APPDATA\STEAM or another web site at the end of shortcut target (command line). Remove it and save changes.

In addition, check this command line for fake browser's trick.
For example, if a shortcut points to Google Chrome, it must have the path:
C:\Program Files (x86)\Google\Chrome\Application\chrome.exe.
Fake browser may be: …\Appdata\Roaming\HPReyos\ReyosStarter3.exe.
Also the file name may be: “chromium.exe” instead of chrome.exe.

STEP 2: Investigate the list of installed programs and uninstall all unknown recently installed programs.

check installed programs to uninstall

STEP 3: Open Task Manager and close all processes, related to APPDATA\STEAM in their description. Discover the directories where such processes start. Search for random or strange file names.

Remove APPDATA\STEAM virus from running processes

Remove APPDATA\STEAM virus from running processes

STEP 4: Inspect the Windows services. Press Win+R, type in: services.msc and press OK.

Remove APPDATA\STEAM virus from Windows services

Remove APPDATA\STEAM virus from Windows services

Disable the services with random names or contains APPDATA\STEAM in it's name or description.

STEP 5: After that press Win+R, type in: taskschd.msc and press OK to open Windows Task Scheduler.
Remove APPDATA\STEAM from scheduled task list.

Delete any task related to APPDATA\STEAM. Disable unknown tasks with random names.

STEP 6: Clear the Windows registry from APPDATA\STEAM virus.
Press Win+R, type in: regedit.exe and press OK.

Remove APPDATA\STEAM virus from Windows registry

Remove APPDATA\STEAM virus from Windows registry

Find and delete all keys/values contains APPDATA\STEAM.

STEP 7: Remove APPDATA\STEAM from Google Chrome.
Remove APPDATA\STEAM Virus from Chrome Extensions

STEP 8: Remove APPDATA\STEAM from Internet Explorer.

Set Internet Explorer Homepage

Set Internet Explorer Homepage

STEP 9: Remove APPDATA\STEAM from Mozilla Firefox.

Change Firefox Home Page

Change Firefox Home Page

STEP 10: And at the end, clear your basket, temporal files, browser's cache.

But if you miss any of these steps and only one part of virus remains – it will come back again immediately or after reboot.

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