Virus warning for UBI-forum?

[Thniper]

Hi all!

I was just searching the UBI SH3 forum/general discussions, opened a thread and got a virus warning!

Forum link:
http://forums.ubi.com/eve/ubb.x?a=fr...02&f=857101043

Thread name: "Where are you from ?", topic starter: "RedTerex"

Virus warning message:

file 'C:\Dokumente und Einstellungen\juergen\Lokale Einstellungen\Temporary Internet Files\Content.IE5\KT7BG80H\vikingo[1].jpg'
may contain virus 'TR/Spy.Banker.vk.1' [TR/Spy.Banker.vk.1].

AND

file 'C:\Dokumente und Einstellungen\juergen\Lokale Einstellungen\Temporary Internet Files\Content.IE5\KT7BG80H\EscudoU552b[1].jpg'
may contain virus 'TR/Spy.Banker.vk.1' [TR/Spy.Banker.vk.1].

anti-virus program in use: Avira AntiVir PE Classic

I am not a registered member at the UBI-forum, so I cannot post a message there!
Can anybody help? Is this a virus?

Thanks!