VsapiNT.sys in the Scan Engine 8.0 for Trend Micro AntiVirus 14.10.1041, and other products, allows remote attackers to cause a denial of service (kernel fault and system crash) via a crafted UPX file with a certain field that triggers a divide-by-zero error.
http://www.vupen.com/english/advisories/2007/0959
http://www.securitytracker.com/id?1017768
http://www.securityfocus.com/archive/1/463007/100/100/threaded
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=488
http://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1034587