CVE-2008-5539
RISING Antivirus 21.06.31.00 and possibly 20.61.42.00, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header aka "EXE info" at the beginning, and modifying the filename to have 1 no extension, 2 a .txt extension, ...