How To Protect Your Windows Devices From Hackers Installing Malware Through Underground Call Centers KEY POINTS Hackers use fake subscription notifications to get potential victims' attention The malware infects Windows devices by using Microsoft Office Word and Excel A team of hackers is reportedly installing malware on Windows devices through call centers. The following are some bits of information about the said malware and a couple of tips to protect your devices. Since late January, security researchers have eyed a malware distribution campaign called the "BazarCall." Hackers allegedly use this campaign to distribute the BazarLoader malware through a simple phone call, Bleeping Computer reported.