Summary
Mal/Palevo-A is a member of the Palevo family of malware.
Mal/Palevo-A typically copies itself to removable drives and network shares, also dropping the file autorun.inf to run this copy automatically.
Mal/Palevo-A often sets a registry entry at the following location to run itself automatically on startup:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Taskman