Troj/Wallon-A is a small HTML component of W32/Wallon-A that will be used to download and run malicious code on the host computer. Please refer to W32/Wallon-A for further information.
W32/Lebreat-B is an email worm with a backdoor component for the Windows platform.
W32/Lebreat-B will send itself to email addresses harvested from the infected computer.
W32/Lebreat-B will attempt to download and execute the file update3.exe from a predefined URL.
The worm also spreads by exploiting the LSASS vulnerablity. Microsoft provides a patch for the LSASS vulnerability at the following URL: