Patent ID: 7634262

Claim:
A method of updating a virus pattern in a handheld, wireless device, said method comprising: receiving a new virus pattern that is arranged to aid in the detection of malware on said wireless device; sending said new virus pattern and a telephone number of said wireless device to a Multimedia Message Service Center (MMSC); relaying said new virus pattern from said MMSC to said wireless device, said new virus pattern being attached to an MMS message as an attachment; adding a unique identifier to said MMS message at said MMSC; receiving said MMS message and said new virus pattern at said wireless device; verifying said unique identifier at said wireless device, whereby said wireless device determines that said MMS message incorporates said new virus pattern; extracting said attachment from said MMS message at said wireless device to obtain said new virus pattern; and replacing an old virus pattern of said wireless device with said new virus pattern, whereby antivirus software on said wireless device is updated.