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The virus is a boot sector virus, which is spread in the form of a HyperCard stack called "New Apple Products," which contained very poor pictures of the then-new Apple scanner. It copied a resource into the System folder on a Mac, as an "initial" program, which would run automatically every time the system started up.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 February 2025. Computer program that modifies other programs to replicate itself and spread Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles A computer virus is a type of malware that, when executed, replicates itself by ...
A macro virus can be spread through e-mail attachments, removable media, networks and the Internet, and is notoriously difficult to detect. [1] A common way for a macro virus to infect a computer is by replacing normal macros with a virus. The macro virus replaces regular commands with the same name and runs when the command is selected.
Link rot (also called link death, link breaking, or reference rot) is the phenomenon of hyperlinks tending over time to cease to point to their originally targeted file, web page, or server due to that resource being relocated to a new address or becoming permanently unavailable.
Koobface is a network worm that attacks Microsoft Windows, Mac OS X, and Linux platforms. [1] [2] [3] This worm originally targeted users of networking websites such as Facebook, Skype, Yahoo Messenger, and email websites such as GMail, Yahoo Mail, and AOL Mail.
Be aware, if the picture was sent in an unsupported file format, such as TIFF, you may not be able to view it. Ask the sender to resend the picture using JPG or GIF file format. Check the attachments. The image sent may have been sent as an attachment rather than an embedded image.
If the recipient opens the attachment, the infected file will be read to computer storage. The virus then creates an Outlook object, reads the first 50 names in each Outlook Global Address Book, and sends a copy of itself to the addresses read. [5] Melissa works on Microsoft Word 97, Microsoft Word 2000 and Microsoft Outlook 97 or 98 email clients.
Oracle, the company that develops Java, fixed the vulnerability exploited to install Flashback on February 14, 2012. [8] However, at the time of Flashback's release, Apple maintained the Mac OS X version of Java and did not release an update containing the fix until April 3, 2012, [12] after the flaw had already been exploited to install Flashback on 600,000 Macs. [13]