Tag: valleyrat
4 articles
Malware Campaign Disables Windows Update, Weakens Defender
A sneaky malware campaign has been disabling Windows Update and weakening Defender, compromising multiple organizations and industries worldwide, with a focus on China-based operations and Chinese-speaking users. The culprit behind this malicious activity is linked to a Chinese threat cluster known as Silver Fox, or Yinhu.
Silver Fox Exploits Adware to Deploy ValleyRAT Backdoor
Meet Silver Fox, a sneaky threat actor that's been using adware to disguise a powerful backdoor called ValleyRAT, which can give attackers full control over your computer. They've even hijacked a legitimate Chinese desktop wallpaper tool to spread their malicious software.
ValleyRAT Exploits Adware to Evade Detection
Meet ValleyRAT, a sneaky backdoor that's been evading detection with the help of adware, infecting over 1500 users in China and India with a staggering 100,000 detections in 2026 alone. Its clever disguise was uncovered when researchers dug deeper into a suspicious installer initially labeled as ordinary adware.
SilverFox Exploits New Drivers in BYOVD Attacks on Japanese Manufacturer
Meet the sneaky SilverFox hackers who've been exploiting new drivers to launch BYOVD attacks on a Japanese industrial manufacturer, using clever tactics like DLL sideloading and defense evasion to stay one step ahead. Their attack began with a simple yet effective invoice-themed phishing lure, delivered via popular Chinese services QQ and Tencent Cloud.