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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.
Dridex, also known as Bugat and Cridex, is a form of malware that specializes in stealing bank credentials via a system that utilizes macros from Microsoft Word. [5]The targets of this malware are Windows users who open an email attachment in Word or Excel, causing macros to activate and download Dridex, infecting the computer and opening the victim to banking theft.
The last version of the tool that could run on Windows 2000 was 4.20, released on May 14, 2013. Starting with version 5.1, released on June 11, 2013, support for Windows 2000 was dropped altogether. Although Windows XP support ended on April 8, 2014, updates for the Windows XP version of the Malicious Software Removal Tool would
The "list.doc" file contains a Visual Basic script that copies the infected file into a template file used by Word for custom settings and default macros. If the recipient opens the attachment, the infected file will be read to computer storage.
February 16: Discovery of the first-ever malware for Mac OS X, a low-threat trojan-horse known as OSX/Leap-A or OSX/Oompa-A, is announced. Late March: Brontok variant N was found in late March. [45] Brontok was a mass-email worm and the origin for the worm was from Indonesia. June: Starbucks is a virus that infects StarOffice and OpenOffice.
Microsoft Safety Scanner is a free time-limited virus scan utility similar to the Windows Malicious Software Removal Tool. It is used to scan a system for computer viruses and other forms of malware. It was released on 15 April 2011, following the discontinuation of the Windows Live OneCare Safety Scanner. [4]
Similarly if a person is visiting a site with malicious content, the person may become victim to a drive-by download attack. That is, the malicious content may be able to exploit vulnerabilities in the browser or plugins to run malicious code without the user's knowledge. [3] A drive-by install (or installation) is a similar event.
A malicious Microsoft Excel file was downloaded, which allowed the attackers access to HSE systems. [13] The attackers gained more access over the following weeks. [ 13 ] The HSE antivirus software detected activity on 31 March, but could not block it as it was set to monitor mode.