Monday, September 2, 2013

How to Remove PUP.Optional.BundleInstaller.A Virus

Introduction about PUP.Optional.BundleInstaller.A
PUP.Optional.BundleInstaller.A has been identified as a Trojan horse virus that should be eliminated from the infected PC immediately. This file is untrustworthy and after invasion, it is able to destroy your system in a short period. Generally speaking, you may not notice PUP.Optional.BundleInstaller.A’s invasion, for it can take advantage of system loopholes to launch an attack. Besides, detecting and deleting it is also a tough job to many antivirus programs, because through adopting the rootkit technique, PUP.Optional.BundleInstaller.A can hide deeply and secretly in your computer, and do a series of unauthorized activities at the same time. PUP.Optional.BundleInstaller.A is able to modify system settings, so that it can activate and update itself automatically. Besides, it drops additional malware onto your PC, which will make system weaker and weaker. 

Moreover, to conceal itself, PUP.Optional.BundleInstaller.A will encrypt and damage important system files in secret. As a result, you will fail to run some applications and the running of antivirus will be affected. What’s worse, as a typical Trojan infection, the most distinct feature of PUP.Optional.BundleInstaller.A is it can monitor your surfing activities and pilfer the sensitive information through analyzing relevant data. Therefore, in addition to severe PC malfunctions, PUP.Optional.BundleInstaller.A will lead to other serious results, such as property losses, privacy exposure and so on. In conclusion, when PUP.Optional.BundleInstaller.A is detected in your workstation, to avoid irreparable losses, you need to use specialize tool or manual removal to get rid of PUP.Optional.BundleInstaller.A and its components.
Disadvantages of PUP.Optional.BundleInstaller.A
1. It is dropped onto your computer without your consent.
2. It can create system vulnerabilities and make your system much weaker than before.
3. It helps remote hackers access your system.
4. It degrades computer performance and makes the system unstable.
5. It is able to monitor your surfing process and steal your confidential information.
6. It installs additional malware in your computer.
Tips to Remove PUP.Optional.BundleInstaller.A
Before the removal, please first back up your system! You should be extremely careful when deleting any file,because any mistake may lead to system crashes and other severe consequences.
MEHTOD 1. Manual Removal
Step One:
Reboot the computer and before Windows interface loads, hit F8 key repeatedly. Choose “Safe Mode with Networking” option, and then press Enter key. System will load files and then get to the desktop in needed option.
Step Two:
Open Windows Task Manager and end virus processes. There are three ways to launch the Task Manager
① Press keys Ctrl+Alt+Del.
② Press keys Ctrl+Shift+Esc.
③ Press the Start button→click on the Run option→Type in taskmgr→press OK.
Step Three:
Click “Start” button and open the “Control Panel”, then double-click “Folder Options”. When the Folder Options window shows up, please click on the “View” tab, tick “Show hidden files and folders” and unmark “Hide protected operating system files(Recommended)” and then press OK.
 
Step Four:
Open Start menu and click on the “Search programs and files” box. Then delete PUP.Optional.BundleInstaller.A virus files: 
%AppData%Local[random].exe 
C:\Documents and Settings\LocalService\Local Settings\Temporary Internet Files\*.exe 
C:\Documents and Settings\LocalService\Local Settings\*.* 
Step Five:
Open Registry Editor by pressing Windows+R keys, type in regedit and click “OK” to launch the Windows Registry. Then delete all PUP.Optional.BundleInstaller.A virus registry entries and keys.
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\random 
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\random
METHOD 2.Automatic Removal
To completely delete PUP.Optional.BundleInstaller.A virus, you need to know that the manual removal above may not be able to remove virus  completely, because the creators of virus are always updating the virus version.Besides,any tiny mistake during the manual removal process may lead to severe consequences. Therefore,to ensure a complete and safe virus removal, it’s recommended that you get rid of virus with Automatic PUP.Optional.BundleInstaller.A Virus Removal Tool.




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