Remove/ Get Rid of PUP.WebApp Virus and Fix Popups

The computer is attacked by PUP.WebApp virus? Receive lots of unwanted pop-ups? The system runs much slowly? No worries, this post will do you a favor to completely get rid of PUP.WebApp virus and fix chaos.

Details of PUP.WebApp Virus:

PUP.WebApp is classified as a PUP (potentially unwanted program) that would mess up the PC and even cause great damage. Generally speaking, this annoying virus is able to infiltrate into the target workstation through pornographic websites, spam email attachments and unverified free programs. Once PUP.WebApp virus finishes its penetration into your system, it will start to carry out malicious activities.

First of all, PUP.WebApp virus drops many new entries to the system registry furtively. As a result, this malware runs in the background each time you open the computer. Besides, PUP.WebApp malware adds malicious files to other system folders, which could lead to program malfunction. In addition, most of the system resources will be eaten up by PUP.WebApp virus to slow down the PC performance.

You’ll find it really hard to open a desired program. What’s more, PUP.WebApp virus generates a lot of annoying ads or windows on the desktop to mislead you to download malicious programs and even harmful PC viruses like key-find.com redirect virus. Under such circumstance, your machine could be damaged greatly. To protect the computer, you had better take immediate action to remove PUP.WebApp virus once you find it.

Malicious Activities of PUP.WebApp Virus:

1) PUP.WebApp Virus infiltrates into random system stealthily and causes a lot of damage.

2) PUP.WebApp Virus inserts many malicious files to the system registry to cause auto activation.

3) PUP.WebApp Virus obviously decreases the whole PC performance and even causes random system crashes.

4) PUP.WebApp Virus could allow additional risky PC viruses to cause further damage to the system.

5) PUP.WebApp Virus makes changes to the system settings and displays numerous pop-up windows.

6) PUP.WebApp Virus could disable certain important system applications like Task Manager and antivirus.

7) PUP.WebApp Virus may monitor the victim’s keystrokes to gather important information.

Get Rid of PUP.WebApp Virus Thoroughly

As PUP.WebApp virus is stubborn and dangerous, it is strongly recommended that you remove it as soon as possible. The following post provides detailed manual removal guide to help you completely delete related components of PUP.WebApp virus and fix the problem.

Step 1: Restart the system in Safe Mode with Networking. Keep press F8 when the machine starts to boot up.

Step 2: Delete startup items of PUP.WebApp virus. Press Win+ R, type “msconfig” and click OK.

Step 3: Remove registry entries of PUP.WebApp virus. Press Win+R to open Run, type “regedit” and hit OK.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\random

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System“DisableRegedit” = 0

HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon

Step 4: Show hidden files and delete related files of PUP.WebApp virus. Click Start Menu, select Control Panel, and search Folder Option.

C:\windows\system32\drivers\mrxsmb.sys(random)

%AllUsersProfile%\Application Data\.dll

%AllUsersProfile%\Application Data\.exe

Note: PUP.WebApp virus is rather stubborn and malicious. It requests certain computer skills when you dealing with it in manual way. Any incident action could lead your machine to a more terrible situation.