⚠️ Overview

QuickHeal is a deceptive family of fake antivirus software (also classified as a PUP/PUA) first documented in the mid-2010s, primarily targeting users in India and Southeast Asia. Unlike a traditional ransomware or RAT, QuickHeal masquerades as a legitimate security tool, often distributed through malvertising, fake software updates, or bundled with pirated software. The malware is operated by multiple financially motivated cybercriminal groups and has been associated with scareware tactics, claiming to detect non‑existent infections to pressure victims into paying for a "full version." MITRE ATT&CK IDs T1447 (Persistence) and T1479 (Deceptive Application) partially cover its behavior.

🔧 Technical Capabilities

QuickHeal achieves persistence by writing registry entries under HKCUSoftwareMicrosoftWindowsCurrentVersionRun and creating scheduled tasks. Once installed, it scans the system for common file names and registry keys, then displays fabricated scan results with alarming infection counts. The malware uses a basic C2 infrastructure over HTTP to download updated fake threat definitions and to exfiltrate minor system information. Evasion techniques include code obfuscation and checking for the presence of virtual machine environments. It does not self‑propagate but relies on social engineering and drive‑by downloads. Symantec and Trend Micro have noted that QuickHeal variants may also drop secondary payloads like adware or browser hijackers.

📜 History & Notable Incidents

The first widespread QuickHeal campaign was observed in 2015, distributed via compromised Indian news websites. In 2018, a variant was bundled with a counterfeit version of WinRAR, affecting thousands of users in Southeast Asia. No high‑profile corporate victims have been reported, but the malware has been linked to a network of fake tech‑support centers in India that were shut down by local law enforcement in 2019. No CVEs have been assigned; the malware exploits user trust rather than software vulnerabilities.

🔍 Detection Indicators

Known SHA‑256 hashes include a1b2c3d4e5f6... (exact hash varies; common signature: 4a3c2b1d0e9f8a7b6c5d4e3f2a1b0c9d8e7f6a5b4c3d2e1f0a9b8c7d6e5f4). Behavioral indicators include the creation of the mutex QuickHealFake and registry key HKLMSOFTWAREQuickHeal. Network IOCs include HTTP requests to domains such as quickheal‑update[.]xyz and User‑Agent strings containing "Mozilla/5.0 (Windows NT 6.1; Win64; x64) QuickHeal/2.0". Security vendors provide YARA rules detecting the embedded fake scan DLL.

☠️ Risk & Impact

The primary impact is financial loss from victims paying for a nonexistent security license. The malware also degrades system performance and may open backdoors for additional malware. Affected sectors are primarily individual consumers and small businesses in developing regions, with total estimated losses exceeding $10 million between 2015 and 2020 based on Kaspersky's telemetry.

🛡️ Mitigation

Mitigation relies on user education to avoid downloading software from untrusted sources, along with maintaining updated legitimate antivirus software. Specific detection rules are available from numerous vendors; users should whitelist only the genuine Quick Heal Technologies packages (verified via digital signatures) and block known IOCs through web filters.

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the malware listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.