How do I know if my computer has a macro virus? And because the email containing the virus is coming from your email account, a lot of your recipients will likely open it in good faith, thereby allowing the virus to spread to their machines. Macro viruses can also wreak havoc with your email account by infiltrating it and sending emails to your contact list. And once an infected macro is launched on your computer, it’ll usually infect all your other documents. They can also add images, move text or even corrupt your hard drive. Often, macro viruses cause issues with word processors by deleting, adding or changing certain words within your documents. The virus will override your commands and will tell your computer to do something else instead. So, if you have a macro virus, you can activate it just by performing normal everyday tasks, like editing a Word document or opening your emails. Often, a macro virus can infect your computer by replacing ordinary commands with malicious code. Macro viruses work by embedding malicious code into documents, spreadsheets and other data files. Malicious files on disks or memory sticksįiles from the internet or an internal intranet The most common ways to spread macro viruses include: They run on apps rather than operating systems, with programs like Microsoft Word, Outlook and Excel being among the most popular targets. Macro viruses are spread when a user opens an infected document. Because the email looks like it’s from you, your contacts will be more likely to open it, which is why macro viruses can spread so quickly. Perhaps more troublingly, the virus can then access your email account and send the infected attachment to all your contacts.
More often than not, they will try to infect all the documents on your computer. They are usually spread through phishing emails that have attachments embedded with malicious code. Macro viruses embed malicious code into the macros included in these software programs, so the virus will run as soon as the documents are opened. Because a macro virus is written in the same language, it can not only infect your documents, but it can also damage your computer software. Protection against various cyberthreatsĪ macro virus is a type of computer virus that’s written in the same macro language as software programs, such as Microsoft Excel and Microsoft Word.
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