i'm sorry, i deleted it, but as an effect the two previously said viruses doesn't manifest themselves at startup
It's a pity... seems an infected file indeed. Next time, please, send to virus@avast.com for analysis.
If you have a tip for avoiding the restart after program update you'll make me happy 
From page 34 of Chapter 6 of avast! Distributed Network Manager (ADNM) Administrator’s Guide.
Basic updating parameters for a machine can be set via the group’s properties in the Computer Catalog. This includes the auto-update interval and the update
source. Figure 6.5. Computer group’s Updating configuration page.
Updating tasks: Using the ADNM for on-demand updating. There’s a special task type: the updating task. To create an updating task, navigate to the Updating tasks folder, and select New Task. Choose Updating in the Task type field, and specify the target machines for this task on the Computers page. You can also customize the way the program
handle the situation where a reboot of a client computer is required to complete the update.
