Sunday, 3 December 2017

Removing PUP.Optional.MailRU Completely- remove encrypted files

Delete PUP.Optional.MailRU from Windows 7

More error whic PUP.Optional.MailRU causes 0x8024000A WU_E_COULDNOTCANCEL Cancellation of the operation was not allowed., 0x8024E005 WU_E_EE_NOT_INITIALIZED The expression evaluator could not be initialized., 0x00000078, 0x000000CB, 0x0000001D, 0x80240042 WU_E_UNKNOWN_SERVICE The update service is no longer registered with AU., 0x8024402C WU_E_PT_WINHTTP_NAME_NOT_RESOLVED Same as ERROR_WINHTTP_NAME_NOT_RESOLVED - the proxy server or target server name cannot be resolved., 0x00000043, 0x80240001 WU_E_NO_SERVICE Windows Update Agent was unable to provide the service., 0x00000099, 0x000000AB, 0x8024A005 WU_E_AU_NO_REGISTERED_SERVICE No unmanaged service is registered with AU.
Uninstall PUP.Optional.MailRU from Compromised Windows System with Ease

PUP.Optional.MailRU: What Purpose Does It Serve? 

Truly speaking, PUP.Optional.MailRU is a small but insidious piece of coding (script) that compromises your computer and network systems through contaminated USBs, bundled software, peer to peer networks, Junk emails attachments and trojanized updates as well. Post infiltration, PUP.Optional.MailRU hijacks your default Firefox, creates new registry entries, schedules new tasks into Task Scheduler and starts performing its malicious activities onto your affected Windows 8. Since, it is coded by highly skilled programmers, it can easily avoid normal Antivirus detection by communicating as a system file or process. We've have to inform you that PUP.Optional.MailRU has no UI, runs in back end as a service. 

Malicious Activities of PUP.Optional.MailRU 


  • It may display countless creepy ads on the pages that you visit. 
  • PUP.Optional.MailRU collects and share your credentials with Cyber punks. 
  • The malware opens backdoor and allows remote access to your Windows 8. 
  • Changes your system's DNS settings and causes unwanted redirects. 
  • The virus may corrupt your files and lock your Windows System as well. 

Hence, we highly recommend you to safeguard your Windows 8 with a reliable Antimalware software. As of now, you should give following manual Uninstallation guide and try to Take Down PUP.Optional.MailRU from compromised Windows System: 



In Just Few Steps Uninstall PUP.Optional.MailRU From Affected Windows System

Method 1: Steps To Turn on Windows System into 'Safe Mode withNetworking' Possible Steps For

Method 2: Steps To Take Down PUP.Optional.MailRU from Commonly Used Browsers In Just Few Steps

Method 3: Steps To Uninstall PUP.Optional.MailRU from Control Panel inWindows System

Method 4: Steps To End Malicious Processes from Task Manager in Windows System

Method 5: Steps To Uninstall PUP.Optional.MailRU from Registry Entries with Ease


Method 1: Steps To Start Windows System into 'Safe Mode with Networking' to Uninstall PUP.Optional.MailRU

Experts say that Safe Mode with Networking is a useful feature that facilitates Windows System users to Take Down viruses and malware such as PUP.Optional.MailRU from affected PC safely. Hence, we suggest you to restart your Windows System in Safe Mode with Networking before proceeding manual removal procedures.

Steps To Turn on Windows System Running Win XP/Vista/7 into Safe Mode with Networking

  • Go to Start and click Restart from Power option and during restarting process you need to keep tapping F8 button simultaneously.
  • Now, Advanced Boot Option can be seen on your Windows System screen. Next, you should use UP/DOWN arrow key to select Safe Mode with Networking and tap Enter button on your keyboard to restart your Windows System in Safe Mode with Networking.

Steps To Turn on Windows System Running Win 8.1/10 into Safe Mode with Networking

  • First you need to go to Start and then hold the Shift button and choose Restart from Power menu.
  • Afterwards, you have to choose Troubleshoot option and then click Advanced options immediately.
  • Next, Click Startup Settings option and click Restart button located at bottom-left.
  • When your Windows System restarts, press 5 key on your keyboard to turn on your Win 8.1/10 into Safe Mode with Networking.

Method 2: Steps To Take Down PUP.Optional.MailRU from Commonly Used Browsers In Just Few Steps

Removing PUP.Optional.MailRU from Google Chrome Possible Steps For.

  • Start your Chrome 58.0.3026.0 and find 3-lines icon in the top-right corner and click it and then choose Tools option.
  • Next, you need to go to Extensions option to see installed potentially unwanted extensions.
  • Finally, there you need to find PUP.Optional.MailRU and Tap on Trash Icon to Take Down it from your Chrome 58.0.3026.0 In Just Few Steps.

Removing PUP.Optional.MailRU from Internet Explorer Possible Steps For

  • Double click Internet Explorer 10-10.0.8400.00000 shortcut on your desktop to open it and then tap on Tools option located at middle-top and select 'Manage Add-ons' from displayed drop down menu.
  • Now, select 'Toolbars and Extensions' to clearly see installed toolbars/extensions list.
  • Next, you need to locate PUP.Optional.MailRU and click Disable.

Removing PUP.Optional.MailRU from Mozilla Firefox Possible Steps For

  • First of all, your Mozilla:45 and Tap 'CTRL+SHIFT+A' on your keyboard to access 'Add-on Manager'.
  • Afterwards, you need to find PUP.Optional.MailRU and click Remove to Take Down it In Just Few Steps.

Method 3: Removing PUP.Optional.MailRU from Control Panel in Windows System

Steps To Access Control Panel in Windows System Running Windows XP/Vista/7 Possible Steps For

  • Press Win+R button at once to open Run Box.
  • Type 'control panel' there and hit Enter key to access Control panel features in Windows XP/Vista/7.
  • Now, you should click either 'Add/Remove Programs' or 'Uninstall a Program'.
  • Next, you see installed malware list, find PUP.Optional.MailRU and click Uninstall to Take Down it from your Windows System In Just Few Steps.

Steps To Access Control Panel in Windows System Running Windows 8.1/10 Possible Steps For

  • Press Win+R button together to go to Run Box.
  • Now, type 'control panel' and press Enter button to access Control panel features.
  • Next, select 'Programs and Features' or 'Uninstall a Program' to see installed program list.
  • At last, select and Take Down PUP.Optional.MailRU from your Windows System immediately.


Method 4: Steps To End Malicious Processes from Task Manager in Windows System Possible Steps For

Steps To Open Task Manager on Windows XP/Vista/7/8.1/10 Possible Steps For

  • Press 'Windows logo button+ R' together to open Run Box.
  • Next, type 'taskmgr' and hit Enter button to open Task Manager.
  • Click Processes Tab and see running task list find PUP.Optional.MailRU related processes or other suspicious Method.
  • Now, right click on the Method that you want to terminate and click End task.

Method 5: Steps To Uninstall PUP.Optional.MailRU from Registry Entries with Ease Possible Steps For

Tap 'Window logo+R' buttons togher to open Run Box and then type 'regedit' to open Windows Registry entries. Next, you need to find registry entries associated with PUP.Optional.MailRU and Take Down them cautiously.
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\ RunServices
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\ RunServicesOnce
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\ RunOnce\Setup
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce


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