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DX7VB.EXE is a Worm.Win32.Chunga.
DX7VB.EXE uses autorun for infection.
Relates files:
%CommonAppData%\Microsoft\Media Index\cleanmgr.exe
%CommonDocuments%\My Pictures\cmmgr32.exe
%Profiles%\Default User\Application Data\comct332.bat
%Profiles%\Default User\Local Settings\Application Data\compmgmt.exe
%Profiles%\LocalService\Application Data\Microsoft\SystemCertificates\crypt32.pif
%Profiles%\LocalService\Local Settings\Application Data\Microsoft\Credentials\S-1-5-19\csrsrv.com
%AppData%\Adobe\c_21866.exe
%AppData%\Adobe\dbadapt.exe
%MyDocuments%\My eBooks\deskmon.exe
[pathname with a string SHARE]\dpwsockx.exe
[pathname with a string SHARE]\dx7vb.exe
%ProgramFiles%\Windows Media Player\diskcomp.com