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Ransomware Targets Outdated Microsoft Excel Macros to Deploy Attacks

Microsoft Security Intelligence alerted customers to a kind of ransomware, referred to as Avaddon, that makes use of Excel 4.zero macros to distribute malicious emails. These emails comprise attachments which deploy an assault when opened in any model of Excel.

Avaddon ransomware emerged in early June by means of a large spam marketing campaign that randomly focused its victims. Some patterns appear to point that the ransomware largely targets Italian customers.

Impersonating Italian officers

As BleepingComputer stories, the attackers behind the ransomware are recruiting “affiliates” to unfold the payload. According to their evaluation, Avaddon’s common ransom quantity is round $900, paid in crypto.

The assault generally impersonates officers from Italy’s Labor Inspectorate. Messages alert small companies to alleged work violations throughout “a period of crisis,” referring to the COVID-19 pandemic.

Microsoft mentioned in its Twitter profile:

“While an old technique, malicious Excel 4.0 macros started gaining popularity in malware campaigns in recent months. The technique has been adopted by numerous campaigns, including ones that used COVID-19 themed lures.”

Avaddon’s messages warn about pending authorized actions which will likely be taken if the person doesn’t open the malicious doc.

Numerous victims

A current examine by cybersecurity agency, Proofpoint, exhibits a current enhance in email-based phishing assaults used to ship ransomware.

On July 1, Cointelegraph reported {that a} new ransomware was concentrating on macOS customers who illegally torrent fashionable apps. The assault, generally known as EvilQuest, was first noticed by K7 Lab malware researcher, Dinesh Devadoss.

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