Exploit:Win32/Shellcode.H is a detection for files that contain a malicious shellcode. These shellcodes may be found within data files, such as documents or spreadsheets (workbooks), in which a heapspray technique is used to exploit a vulnerability resulting in running the shellcode.
The shellcode may perform certain actions such as downloading and executing arbitrary files.
In the wild Win32/Shellcode.H triggers on specially crafted Adobe Shockwave files designed to exploit a vulnerability discussed in CVE-2010-1297 and CVE-2011-0609.
Analysis by Marian Radu
Alert notifications or detections of this malware from installed antivirus or security software may be the only other symptoms.