Dozens of malicious wallpapers found on Steam Workshop: gamers’ accounts at risk

Feed of Kaspersky Securelist posts (May–Jun 2026) describing multiple active threats and security assessments: malware spreading via Steam Workshop wallpapers targeting gamers (China, Russia); Argamal RAT distributed with infected hentai games; a piracy-focused campaign delivering miners and RAT modules to consumers of pirated media; Cloud Atlas APT activity against Russian/Belarusian public and diplomatic sectors using ReverseSocks, SSH, Tor and a new PowerCloud tool; an ExifTool vulnerability (CVE-2026-3102) that enables macOS compromise via crafted images; container attack vectors and risks