The file VTASKMAN.EXE is malware related.
You must delete the file VTASKMAN.EXE immediately!
Delete the file VTASKMAN.EXE without delay!
Kill the process VTASKMAN.EXE and remove VTASKMAN.EXE from the Windows startup.

VTASKMAN.EXE Information and Removal:
MD5 of VTASKMAN.EXE = F4DFD83153E8C9088AE2DB704107060D
VTASKMAN.EXE size is 15360 bytes.
Full path on a computer: %WINDIR%\VTASKMAN.EXE
Related Files:
C:\AUTORUN.INF
C:\PAINT
[PATHNAME WITH A STRING SHARE]\VDW20.EXE
[PATHNAME WITH A STRING SHARE]\VDWTRIG20.EXE
%WINDIR%\VTASKMAN.ICO
[PATHNAME WITH A STRING SHARE]\VMSINF16H.EXE
[PATHNAME WITH A STRING SHARE]\VMSINFO32.EXE
[PATHNAME WITH A STRING SHARE]\VSAPISVR.EXE
%PROGRAMFILES%\INTERNET EXPLORER\CONNECTION WIZARD\VICWCONN1.EXE
%PROGRAMFILES%\INTERNET EXPLORER\CONNECTION WIZARD\VICWCONN2.EXE
%PROGRAMFILES%\INTERNET EXPLORER\CONNECTION WIZARD\VICWRMIND.EXE
%PROGRAMFILES%\INTERNET EXPLORER\CONNECTION WIZARD\VICWTUTOR.EXE
%PROGRAMFILES%\INTERNET EXPLORER\CONNECTION WIZARD\VINETWIZ.EXE
%PROGRAMFILES%\INTERNET EXPLORER\CONNECTION WIZARD\VISIGNUP.EXE
%PROGRAMFILES%\INTERNET EXPLORER\VIEDW.EXE
%PROGRAMFILES%\MSN\MSNCOREFILES\INSTALL\MSN9COMPONENTS\VDIGCORE.EXE
%PROGRAMFILES%\MSN\MSNCOREFILES\INSTALL\MSN9COMPONENTS\VMSNCLI.EXE
%PROGRAMFILES%\MSN\MSNCOREFILES\INSTALL\VMSNSUSII.EXE
%PROGRAMFILES%\MSN\MSNIA\VMSNIASVC.EXE
%PROGRAMFILES%\MSN\MSNIA\VPRESTP.EXE
%PROGRAMFILES%\MSN\MSNINSTALLER\VMSNINST.EXE
%PROGRAMFILES%\NETMEETING\VCB32.EXE
%PROGRAMFILES%\NETMEETING\VCONF.EXE
%PROGRAMFILES%\NETMEETING\VWB32.EXE
%PROGRAMFILES%\OUTLOOK EXPRESS\VMSIMN.EXE
%PROGRAMFILES%\OUTLOOK EXPRESS\VOEMIG50.EXE
%PROGRAMFILES%\OUTLOOK EXPRESS\VSETUP50.EXE
%PROGRAMFILES%\OUTLOOK EXPRESS\VWAB.EXE
%PROGRAMFILES%\OUTLOOK EXPRESS\VWABMIG.EXE
%PROGRAMFILES%\WEB PUBLISH\VWPWIZ.EXE
%PROGRAMFILES%\WINDOWS MEDIA PLAYER\VMIGRATE.EXE
%PROGRAMFILES%\WINDOWS MEDIA PLAYER\VMPLAYER2.EXE
%PROGRAMFILES%\WINDOWS MEDIA PLAYER\VSETUP_WM.EXE
%PROGRAMFILES%\WINDOWS MEDIA PLAYER\VWMPLAYER.EXE
%PROGRAMFILES%\WINDOWS NT\ACCESSORIES\VWORDPAD.EXE
%PROGRAMFILES%\WINDOWS NT\PINBALL\VPINBALL.EXE
%PROGRAMFILES%\WINDOWS NT\VDIALER.EXE
%PROGRAMFILES%\WINDOWS NT\VHYPERTRM.EXE
%PROGRAMFILES%\WINPCAP\VRPCAPD.EXE
%PROGRAMFILES%\WINPCAP\VUNINSTALL.EXE
%WINDIR%\CACHE\ADOBE READER 6.0.1\ENUBIG\VINSTMSIA.EXE
%WINDIR%\CACHE\ADOBE READER 6.0.1\ENUBIG\VINSTMSIW.EXE
%WINDIR%\CACHE\ADOBE READER 6.0.1\ENUBIG\VSETUP.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V1.0.3705\VINSTALLUTIL.EXE.CONFIG
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V1.0.3705\VREGSVCS.EXE.CONFIG
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V1.1.4322\VGACUTIL.EXE.CONFIG
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V1.1.4322\VREGSVCS.EXE.CONFIG
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VAPPLAUNCH.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VASPNET_COMPILER.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VASPNET_REGBROWSERS.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VASPNET_REGIIS.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VASPNET_REGSQL.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VASPNET_REGSQL.EXE.CONFIG
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VASPNET_STATE.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VASPNET_WP.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VCASPOL.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VIEEXEC.EXE.CONFIG
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VCSC.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VCSC.EXE.CONFIG
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VCVTRES.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VDFSVC.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\V2.0.50727\VIEEXEC.EXE
%WINDIR%\MICROSOFT.NET\FRAMEWORK\VNETFXSBS10.EXE
%WINDIR%\MSAGENT\VAGENTSVR.EXE
%WINDIR%\MUI\VMUISETUP.EXE
%WINDIR%\PCHEALTH\HELPCTR\BINARIES\VHELPCTR.EXE
%WINDIR%\PCHEALTH\UPLOADLB\BINARIES\VUPLOADM.EXE
%SYSTEM%\VACCWIZ.EXE
%WINDIR%\VHH.EXE
%WINDIR%\VNOTEPAD.EXE
%WINDIR%\VREGEDIT.EXE
%WINDIR%\VTASKMAN.EXE
%WINDIR%\VTWUNK_16.EXE
%WINDIR%\VTWUNK_32.EXE
%WINDIR%\VWINHELP.EXE
%WINDIR%\VWINHLP32.EXE