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NikoWiper is a destructive Windows wiper identified by ESET and used against a company in Ukraine’s energy sector. It was reported in connection with the broader wave of disruptive attacks against Ukraine and is described as being based on Microsoft’s SDelete command-line utility for securely deleting files. Reporting cited in the content places its use on October 11, 2022, and notes ESET announced it as a previously unknown wiper. The malware is also referenced among destructive malware families deployed by Sandworm, indicating an association with that Russia-aligned threat actor in the context of attacks on Ukraine. High-confidence details in the content indicate its core purpose is data destruction, its underlying basis is SDelete, and its known targeting includes the Ukrainian energy sector.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
2 distinct techniques documented for this family, organized by ATT&CK tactic.
MSTIC researchers also spotted abuse of Sdelete in data destruction operations. While Sdelete was designed as a utility to securely erase files on Windows systems, it’s just as useful to threat actors like ‘IRIDIUM’ who’ll rename it ‘cdel.exe’ and effectively use it as a wiper.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A wiper malware based on Sdelete, used for data destruction against targets in Ukraine.
Wiper based on Microsoft's SDelete utility; used against an energy-sector company in Ukraine.
Destructive wiper malware family referenced as part of Sandworm-attributed destructive operations.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.