Problem with rootkit win32k.sys

stupot65

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I seem to be having this problem with a rootkit. The rootkit in question is actually a file that AVG claims is "hidden". avast!, SUPERAntispyware and malwarebytes do not seem to detect it. I have tried formatting the disc using the TOSHIBA recovery disc I created. the rootkit is still there.

Attatched is the AVG scan log.

However I don't understand how I got it. I have COMODO Free Firewall, AVG Free, avast! Free, SUPERAntispyware Free, Malwarebytes Anti Malware and IObit Malware Fighter Free.

Thanks in advance

stupot65
 

Attachments

My Computer

Computer Manufacturer/Model Number
TOSHIBA Satellite C660
OS
windows 7 home premium x64
Internet Speed
0.69 Mbps
I seem to be having this problem with a rootkit. The rootkit in question is actually a file that AVG claims is "hidden". avast!, SUPERAntispyware and malwarebytes do not seem to detect it. I have tried formatting the disc using the TOSHIBA recovery disc I created. the rootkit is still there.

Attatched is the AVG scan log.

However I don't understand how I got it. I have COMODO Free Firewall, AVG Free, avast! Free, SUPERAntispyware Free, Malwarebytes Anti Malware and IObit Malware Fighter Free.

Thanks in advance

stupot65
Keep and run 1 A/V only ( even A/Vs which are not running real time can cause conflicts)
Run either a HIPPS or a BB, but not both for the same reason.
You can have a few on demand only malware scanners, but not active.
Surf from a SUA account only.
Sandboxie is your friend.;)
I think that file is a part of windows ( not bad )
 

My Computer

OS
win 7 64
You may want to read up on this file first before trying to remove it.

What is win32k.sys?

Multi-User Win32 Driver file.
Is win32k.sys safe?

This win32k.sys file is safe and should not be considered threat to your computer.

Overall threat: No
Spyware: No
Trojan: No
Virus: No

How do I prevent win32k.sys from loading?

The win32k.sys process is part of Microsoft Windows and should not be deleted or prevented from loading each time Windows loads. Doing so could cause errors or Windows to stop working.

What is the win32k.sys file?

With multiple av programs on you likely now see AVG reporting a false positive if no other program is detecting any malwares on the system. The variation of that being the "C:\WINDOWS\win32k.sys:2" is known to be a ZeroAccess rootkit.

The win32k.sys file however is a Windows driver that seems to be corrupted where you could expand a fresh copy from the 7 dvd at the command prompt to the bad file replaced. The information on the two different files can be seen at win32k.sys - win32k.sys:2 - Program Information
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    Custom builds = 2
    OS
    W7 Ultimate x64/W10 Pro x64/W11 Pro Triple Boot - Main PC W7 Remote PC Micro ATX W7 Pro x64/W11 Pro
    CPU
    AMD Phenom II X4 975 Deneb 3.6ghz - 965 2nd remote pc
    Motherboard
    Gigabyte GA-790XTA-UD4-Gigabyte GA-880GM-D2H remote pc
    Memory
    Kingston Hyper X DDR3 1600 1.5v 16gb - Hyper X Fury 8gb 2nd
    Graphics Card(s)
    MSI HD Radeon 5750 1gb - MSI HD Radeon 6450 on mini tower
    Sound Card
    Creative Labs X-Fi Xtreme Audio P - Realtek onooard 2nd case
    Monitor(s) Displays
    ASUS VW199T-P 19" HP 2082a Main-HP 2082a 20" remote pc
    Screen Resolution
    Asus 1440x900 - HP 1600x900
    Hard Drives
    WD Black 1TB HD per OS W7, W10, and pending W11 presently on 500gb OS Drive - Pending Triple 1TB HDs for Spanned Storage/backup volume
    Single 2TB external USB enclosure, single 1TB System 7 Host/Boot drive, Pending 8TB external HD for system image b
    PSU
    Corsair 750TX - primary / Corsair CX600 - second
    Case
    Antec 900-2 - SSD compatible / NZXT Vulcan mini tower
    Cooling
    Zalman CNPS9900A
    Keyboard
    AZIO L70 Backlit Letters Gaming - ONN Cordless/USB
    Mouse
    MSI DS200 Programmable, Logitech Cordless
    Internet Speed
    30mbps upgrade - primary hard wired - mini tower usb WiFi
    Antivirus
    GFI VIPRE Internet Security 2014 on W7 2016 beta on W10,
    Browser
    Cyberfox, WaterFox 64bit FF variants, FireFox x64, Pale Moon
    Other Info
    Accomdata fan cooled usb 2.0 PIDE/Sata II, III external enclosure.
    Sambient usb/eSata PATA/Sata II, III external enclosure.
  • Computer type
    PC/Desktop
    System Manufacturer/Model Number
    CUSTOM ASSEMBLY
    OS
    W7 Pro x64/W11 Pro
    CPU
    AMD Deneb 3.6ghz - 965
    Motherboard
    Gigabyte GA-880GM-D2H remote pc
    Memory
    Kingston Hyper X Fury 8gb
    Graphics Card(s)
    MSI HD Radeon 6450 DVI Output
    Sound Card
    Realtek onooard Creative or Other separate PENDING
    Monitor(s) Displays
    VIZIO 32" LCD TV Separate LCD Pending
    Screen Resolution
    1600x1080
    Hard Drives
    WD 500GB OS Host/Boot WD Green 1TB Storage/Backup
    PSU
    Corsair 600W - THERMALTAKE 600W spare case
    Case
    NZXT Vulcan mini tower
    Cooling
    Twin 120mm Top Fans - 240mm Side Cover
    Keyboard
    ONN Cordless/USB Logitech Cordless
    Mouse
    ONN USB/Cordless - Logitech Cordless
    Internet Speed
    DSL 5G
    Browser
    MS Edge, FireFox, WaterFox x64, FireFox Nightly
    Other Info
    OS Testing-Remote Access to Main TeamViewer
thanks for that
 

My Computer

Computer Manufacturer/Model Number
TOSHIBA Satellite C660
OS
windows 7 home premium x64
Internet Speed
0.69 Mbps
Windows 2000, XP, and Vista as well as 7 all see the exact same NT form of driver. You can find that in the "C:\Windows\System32\" folder on each of the versions.

The AVG log shows that the file was found corrupted not infected by or being a malware where the reformat of the drive and recovery clean install would see the fresh copy of that as well as every other main file go back on. This is why the other programs failed to detect it being a normal system file you would expect to see.

I bet you are running better now however. As far as av programs it's always best as elstupido pointed out to have only one on at a time due to the often seen software clashes. Most installers will automatically prompt on seeing another program removed first before the install will continue.
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    Custom builds = 2
    OS
    W7 Ultimate x64/W10 Pro x64/W11 Pro Triple Boot - Main PC W7 Remote PC Micro ATX W7 Pro x64/W11 Pro
    CPU
    AMD Phenom II X4 975 Deneb 3.6ghz - 965 2nd remote pc
    Motherboard
    Gigabyte GA-790XTA-UD4-Gigabyte GA-880GM-D2H remote pc
    Memory
    Kingston Hyper X DDR3 1600 1.5v 16gb - Hyper X Fury 8gb 2nd
    Graphics Card(s)
    MSI HD Radeon 5750 1gb - MSI HD Radeon 6450 on mini tower
    Sound Card
    Creative Labs X-Fi Xtreme Audio P - Realtek onooard 2nd case
    Monitor(s) Displays
    ASUS VW199T-P 19" HP 2082a Main-HP 2082a 20" remote pc
    Screen Resolution
    Asus 1440x900 - HP 1600x900
    Hard Drives
    WD Black 1TB HD per OS W7, W10, and pending W11 presently on 500gb OS Drive - Pending Triple 1TB HDs for Spanned Storage/backup volume
    Single 2TB external USB enclosure, single 1TB System 7 Host/Boot drive, Pending 8TB external HD for system image b
    PSU
    Corsair 750TX - primary / Corsair CX600 - second
    Case
    Antec 900-2 - SSD compatible / NZXT Vulcan mini tower
    Cooling
    Zalman CNPS9900A
    Keyboard
    AZIO L70 Backlit Letters Gaming - ONN Cordless/USB
    Mouse
    MSI DS200 Programmable, Logitech Cordless
    Internet Speed
    30mbps upgrade - primary hard wired - mini tower usb WiFi
    Antivirus
    GFI VIPRE Internet Security 2014 on W7 2016 beta on W10,
    Browser
    Cyberfox, WaterFox 64bit FF variants, FireFox x64, Pale Moon
    Other Info
    Accomdata fan cooled usb 2.0 PIDE/Sata II, III external enclosure.
    Sambient usb/eSata PATA/Sata II, III external enclosure.
  • Computer type
    PC/Desktop
    System Manufacturer/Model Number
    CUSTOM ASSEMBLY
    OS
    W7 Pro x64/W11 Pro
    CPU
    AMD Deneb 3.6ghz - 965
    Motherboard
    Gigabyte GA-880GM-D2H remote pc
    Memory
    Kingston Hyper X Fury 8gb
    Graphics Card(s)
    MSI HD Radeon 6450 DVI Output
    Sound Card
    Realtek onooard Creative or Other separate PENDING
    Monitor(s) Displays
    VIZIO 32" LCD TV Separate LCD Pending
    Screen Resolution
    1600x1080
    Hard Drives
    WD 500GB OS Host/Boot WD Green 1TB Storage/Backup
    PSU
    Corsair 600W - THERMALTAKE 600W spare case
    Case
    NZXT Vulcan mini tower
    Cooling
    Twin 120mm Top Fans - 240mm Side Cover
    Keyboard
    ONN Cordless/USB Logitech Cordless
    Mouse
    ONN USB/Cordless - Logitech Cordless
    Internet Speed
    DSL 5G
    Browser
    MS Edge, FireFox, WaterFox x64, FireFox Nightly
    Other Info
    OS Testing-Remote Access to Main TeamViewer
avg is the only fully installed one. the rest are installed in compatible modes
 

My Computer

Computer Manufacturer/Model Number
TOSHIBA Satellite C660
OS
windows 7 home premium x64
Internet Speed
0.69 Mbps
Stop the process in Task Manager, then un-install IObit\Advanced SystemCare
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Bruce ... somewhere in his 40's
OS
Windows 7 Ultimate 32bit SP1
CPU
Intel(R) Core(TM)2 Quad CPU @ 2.40GHz, 2400 MHz
Motherboard
INTEL/D975XBX2
Memory
4 GB
Graphics Card(s)
ATI Radeon HD 2600 Pro
Monitor(s) Displays
Samsung SyncMaster 914v
Screen Resolution
1280 x 1024
Hard Drives
2/500GB each ... ST3500630AS ATA Device.
One is not connected
PSU
Rocketfish 700 W
Case
G.Skill Gigabyte Chassis
Keyboard
Standard PS/2 Keyboard
Mouse
Microsoft PS/2 Mouse
Internet Speed
DSL
Antivirus
Avira Internet Security
Browser
IE 11
Other Info
ATI HDMI Audio
I had the Advanced System Care on here for a bit along with the free edition of AVG a couple of years back and never had any real problems. But the mesh even in compatibiliy mode of all the programs conbined isn't good.

This is one reason I went with a newer program(VIPRE Internet Security 2012 presently on) someone recommended and found it covers more then several combined! The ASC program wasn't even on the retail 7 but had been on Vista along with AVG at the time and later while running the 7 beta builds.

If the log from the scan was seen before you used the recovery option it wouldn't matter now since AVG was pointing at a corrupted file. If still seeing the same the recovery may not have been as full leaving the driver file needing replacement if other problems are appearing.

Between a run of the System File Checker using the sfc /scannow command at the Start>Run command line while having the 7 disk in the drive and even booting live for the Repair tools to run the Startup repair tool may see the file replaced for you if you are running into start up problems.
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    Custom builds = 2
    OS
    W7 Ultimate x64/W10 Pro x64/W11 Pro Triple Boot - Main PC W7 Remote PC Micro ATX W7 Pro x64/W11 Pro
    CPU
    AMD Phenom II X4 975 Deneb 3.6ghz - 965 2nd remote pc
    Motherboard
    Gigabyte GA-790XTA-UD4-Gigabyte GA-880GM-D2H remote pc
    Memory
    Kingston Hyper X DDR3 1600 1.5v 16gb - Hyper X Fury 8gb 2nd
    Graphics Card(s)
    MSI HD Radeon 5750 1gb - MSI HD Radeon 6450 on mini tower
    Sound Card
    Creative Labs X-Fi Xtreme Audio P - Realtek onooard 2nd case
    Monitor(s) Displays
    ASUS VW199T-P 19" HP 2082a Main-HP 2082a 20" remote pc
    Screen Resolution
    Asus 1440x900 - HP 1600x900
    Hard Drives
    WD Black 1TB HD per OS W7, W10, and pending W11 presently on 500gb OS Drive - Pending Triple 1TB HDs for Spanned Storage/backup volume
    Single 2TB external USB enclosure, single 1TB System 7 Host/Boot drive, Pending 8TB external HD for system image b
    PSU
    Corsair 750TX - primary / Corsair CX600 - second
    Case
    Antec 900-2 - SSD compatible / NZXT Vulcan mini tower
    Cooling
    Zalman CNPS9900A
    Keyboard
    AZIO L70 Backlit Letters Gaming - ONN Cordless/USB
    Mouse
    MSI DS200 Programmable, Logitech Cordless
    Internet Speed
    30mbps upgrade - primary hard wired - mini tower usb WiFi
    Antivirus
    GFI VIPRE Internet Security 2014 on W7 2016 beta on W10,
    Browser
    Cyberfox, WaterFox 64bit FF variants, FireFox x64, Pale Moon
    Other Info
    Accomdata fan cooled usb 2.0 PIDE/Sata II, III external enclosure.
    Sambient usb/eSata PATA/Sata II, III external enclosure.
  • Computer type
    PC/Desktop
    System Manufacturer/Model Number
    CUSTOM ASSEMBLY
    OS
    W7 Pro x64/W11 Pro
    CPU
    AMD Deneb 3.6ghz - 965
    Motherboard
    Gigabyte GA-880GM-D2H remote pc
    Memory
    Kingston Hyper X Fury 8gb
    Graphics Card(s)
    MSI HD Radeon 6450 DVI Output
    Sound Card
    Realtek onooard Creative or Other separate PENDING
    Monitor(s) Displays
    VIZIO 32" LCD TV Separate LCD Pending
    Screen Resolution
    1600x1080
    Hard Drives
    WD 500GB OS Host/Boot WD Green 1TB Storage/Backup
    PSU
    Corsair 600W - THERMALTAKE 600W spare case
    Case
    NZXT Vulcan mini tower
    Cooling
    Twin 120mm Top Fans - 240mm Side Cover
    Keyboard
    ONN Cordless/USB Logitech Cordless
    Mouse
    ONN USB/Cordless - Logitech Cordless
    Internet Speed
    DSL 5G
    Browser
    MS Edge, FireFox, WaterFox x64, FireFox Nightly
    Other Info
    OS Testing-Remote Access to Main TeamViewer
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