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Need Help with Virus now!

timarp000
By timarp000
in Troubleshooting
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I used malaware bytes to scan my system and it detected a virus called Backdoor.Poisen. Malaware bytes told me to delete the virus so i did. But my question is - "Is it really gone?"

 

1. Is there any foolproof way of knowing that the virus is gone from my computer?

 

2. What are the Symptoms of this Virus?

 

3. What do i need to do to remove it?

 

After deleting the virus i performed a full scan of the computer and malaware bytes didnt detect anything.

What do i do? Am i safe? 

My Rig- 

  • CPU - Intel Core i7 3770
  • Motherboard - Asus P8Z77 V Pro
  • RAM - 2x4GB Corsair Vengeance @ 1600Mhz
  • GPU - Asus GTX 660 Ti DC2 @ 1100Mhz Boost
  • PSU - Corsair HX650
  • Case - Corsair 500R White Edition
  • CPU Cooler - Cooler Master Hyper 212 Evo
  • Monitor - Samsung S22B370H 21.5'' 1080p
  • HDD - Seagate 1TB @ 7200rpm
  • Optical Drive - LG DVD Writer
  • Keyboard Mouse - Logitech MK200 
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Yeah, your safe. A backdoor is pretty much an intruder virus, it allows a remote system to use your pc. If malwarebytes says it's gone it's probably gone.

 

The symptoms of a backdoor virus are usually irregularly slow performance and web links re-directing you. If you're not having those you're safe ;)

export PS1='\[\033[1;30m\]┌╼ \[\033[1;32m\]\u@\h\[\033[1;30m\] ╾╼ \[\033[0;34m\]\w\[\033[0;36m\]\n\[\033[1;30m\]└╼ \[\033[1;37m\]'


"All your threads are belong to /dev/null"


| 80's Terminal Keyboard Conversion | $5 Graphics Card Silence Mod Tutorial | 485KH/s R9 270X | The Smallest Ethernet Cable | Ass Pennies | My Screenfetch |

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Yeah, your safe. A backdoor is pretty much an intruder virus, it allows a remote system to use your pc. If malwarebytes says it's gone it's probably gone.

 

The symptoms of a backdoor virus are usually irregularly slow performance and web links re-directing you. If you're not having those you're safe ;)

When i click on website link sometime it shows "Oops! Chrome could not find webpage" but the link of the website will be in the address bar.

And sometimes my computer internet gets extremely slow! like 0.04mbps and the webpages wont even respond.

My Rig- 

  • CPU - Intel Core i7 3770
  • Motherboard - Asus P8Z77 V Pro
  • RAM - 2x4GB Corsair Vengeance @ 1600Mhz
  • GPU - Asus GTX 660 Ti DC2 @ 1100Mhz Boost
  • PSU - Corsair HX650
  • Case - Corsair 500R White Edition
  • CPU Cooler - Cooler Master Hyper 212 Evo
  • Monitor - Samsung S22B370H 21.5'' 1080p
  • HDD - Seagate 1TB @ 7200rpm
  • Optical Drive - LG DVD Writer
  • Keyboard Mouse - Logitech MK200 
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When i click on website link sometime it shows "Oops! Chrome could not find webpage" but the link of the website will be in the address bar.

And sometimes my computer internet gets extremely slow! like 0.04mbps and the webpages wont even respond.

Well did this happen before you got the virus?

export PS1='\[\033[1;30m\]┌╼ \[\033[1;32m\]\u@\h\[\033[1;30m\] ╾╼ \[\033[0;34m\]\w\[\033[0;36m\]\n\[\033[1;30m\]└╼ \[\033[1;37m\]'


"All your threads are belong to /dev/null"


| 80's Terminal Keyboard Conversion | $5 Graphics Card Silence Mod Tutorial | 485KH/s R9 270X | The Smallest Ethernet Cable | Ass Pennies | My Screenfetch |

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Well did this happen before you got the virus?

The virus has been there for a while. I took it seriously when the computer lagged and icons on the system tray went missing. Computer is completely frozen now! When i start an AV program, the system crashes. I think i should format the OS partition and reinstall windows. Also i cant extract files using winrar. Extraction gets stuck at 99%

My Rig- 

  • CPU - Intel Core i7 3770
  • Motherboard - Asus P8Z77 V Pro
  • RAM - 2x4GB Corsair Vengeance @ 1600Mhz
  • GPU - Asus GTX 660 Ti DC2 @ 1100Mhz Boost
  • PSU - Corsair HX650
  • Case - Corsair 500R White Edition
  • CPU Cooler - Cooler Master Hyper 212 Evo
  • Monitor - Samsung S22B370H 21.5'' 1080p
  • HDD - Seagate 1TB @ 7200rpm
  • Optical Drive - LG DVD Writer
  • Keyboard Mouse - Logitech MK200 
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Have you tried doing a Full System Scan in Safe Mode, and do you have the same internet issues in "Safe Mode With Networking"

i7 930 @ 4.2Ghz | Gigabyte X58A-UD7 | Seagate ST2000DX001 SSHD 2TB | WD5000AAKX 500GB | Samsung SH-B083A Bluray Drive | Gigabyte GTX 670 2GB GV-N670OC-2GD | Corsair 12GB 1600Mhz CMZ12GX3M3A1600C9 | Corsair H50 in Push Pull | SeaSonic X750 | CM 690 II Advanced | Windows 7 Ultimate x64 | HP 2159M 1080p | Asus ProArt PA238Q 23" 1080p IPS Monitor | Asus VS239H IPS 1080p (Portrait) | Razer BlackWidow Expert MX Blue (2011) | Razer Lachesis 5600

 

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Looks like the best option. It's a sad day when the virus wins :(

export PS1='\[\033[1;30m\]┌╼ \[\033[1;32m\]\u@\h\[\033[1;30m\] ╾╼ \[\033[0;34m\]\w\[\033[0;36m\]\n\[\033[1;30m\]└╼ \[\033[1;37m\]'


"All your threads are belong to /dev/null"


| 80's Terminal Keyboard Conversion | $5 Graphics Card Silence Mod Tutorial | 485KH/s R9 270X | The Smallest Ethernet Cable | Ass Pennies | My Screenfetch |

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Have you tried doing a Full System Scan in Safe Mode, and do you have the same internet issues in "Safe Mode With Networking"

No i do not encounter these issues in safe mode.

My Rig- 

  • CPU - Intel Core i7 3770
  • Motherboard - Asus P8Z77 V Pro
  • RAM - 2x4GB Corsair Vengeance @ 1600Mhz
  • GPU - Asus GTX 660 Ti DC2 @ 1100Mhz Boost
  • PSU - Corsair HX650
  • Case - Corsair 500R White Edition
  • CPU Cooler - Cooler Master Hyper 212 Evo
  • Monitor - Samsung S22B370H 21.5'' 1080p
  • HDD - Seagate 1TB @ 7200rpm
  • Optical Drive - LG DVD Writer
  • Keyboard Mouse - Logitech MK200 
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Looks like the best option. It's a sad day when the virus wins :(

Reinstalled windows now. I formated the windows partition and installed windows. Will a windows reinstall wipe all viruses or can some "hang on"?

My Rig- 

  • CPU - Intel Core i7 3770
  • Motherboard - Asus P8Z77 V Pro
  • RAM - 2x4GB Corsair Vengeance @ 1600Mhz
  • GPU - Asus GTX 660 Ti DC2 @ 1100Mhz Boost
  • PSU - Corsair HX650
  • Case - Corsair 500R White Edition
  • CPU Cooler - Cooler Master Hyper 212 Evo
  • Monitor - Samsung S22B370H 21.5'' 1080p
  • HDD - Seagate 1TB @ 7200rpm
  • Optical Drive - LG DVD Writer
  • Keyboard Mouse - Logitech MK200 
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A reformat will wipe everything ;)

export PS1='\[\033[1;30m\]┌╼ \[\033[1;32m\]\u@\h\[\033[1;30m\] ╾╼ \[\033[0;34m\]\w\[\033[0;36m\]\n\[\033[1;30m\]└╼ \[\033[1;37m\]'


"All your threads are belong to /dev/null"


| 80's Terminal Keyboard Conversion | $5 Graphics Card Silence Mod Tutorial | 485KH/s R9 270X | The Smallest Ethernet Cable | Ass Pennies | My Screenfetch |

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They may be lurking in other untouched partitions/storage, do you have any?

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Reinstalled windows now. I formated the windows partition and installed windows. Will a windows reinstall wipe all viruses or can some "hang on"?

Yes, re-installing Windows deletes everything and then re-installs it again, it basically wipes all your data.

15" MBP TB

AMD 5800X | Gigabyte Aorus Master | EVGA 2060 KO Ultra | Define 7 || Blade Server: Intel 3570k | GD65 | Corsair C70 | 13TB

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They may be lurking in other untouched partitions/storage, do you have any?

I have 2 other partitions

My Rig- 

  • CPU - Intel Core i7 3770
  • Motherboard - Asus P8Z77 V Pro
  • RAM - 2x4GB Corsair Vengeance @ 1600Mhz
  • GPU - Asus GTX 660 Ti DC2 @ 1100Mhz Boost
  • PSU - Corsair HX650
  • Case - Corsair 500R White Edition
  • CPU Cooler - Cooler Master Hyper 212 Evo
  • Monitor - Samsung S22B370H 21.5'' 1080p
  • HDD - Seagate 1TB @ 7200rpm
  • Optical Drive - LG DVD Writer
  • Keyboard Mouse - Logitech MK200 
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