Rahamathulla Hussain

I am a Security Researcher with McAfee labs. I am working in this field for five years and specializes in reverse engineering. I used to work on latest threats and find ways to protect customers from them. My hobbies are playing carrom, travelling and reading newspaper.
McAfee Labs has recently observed a new variant of ransomware that relies on the open-source program GNU Privacy Guard (GnuPG) to encrypt data. GnuPG is a hybrid-encryption software program that uses a combination of conventional symmetric-key cryptography for speed and public-key cryptography to ease the secure key exchange. Although ransomware using GnuPG to encrypt files ...
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McAfee Labs has seen a huge increase in Locky ransomware in recent months (discussed in an earlier blog). Locky is aggressively distributed via a JavaScript-based downloader sent as an attachment in spam emails. Since its first variant Locky has taken advantage of compromised domains to download its malicious executable. Recently it has downloaded a malicious dynamic link ...
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During the past couple of weeks, McAfee Labs has observed a huge increase in spam related to Nivdort, a malicious file that usually arrives as a .zip attachment and tries to download other malware. This malware can steal a victim’s credentials, including personal details related to online shopping, banking, and other social networking websites. Nivdort’s spam ...
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