FP in HistoryLib.Dll

With current VPS update 080511-0 avast! is detecting HistoryLib.dll from ICQ client R&Q (http://rnq.ru) as Win32:Crypt-BOF
VT results here http://www.virustotal.com/ru/analisis/fde35771900182cb21c817e0a89f87aa
Is it false positive?

Yes, it’s false positive alert. It will be fixed in next VPS update