# Cold River

> As of 2026-07-19, Cold River is a Russia-nexus threat actor tracked by Threadlinqs Intelligence across 1 threat spanning malware. Also known as COLDRIVER.

- **Nation:** Russia
- **Tracked threats:** 1
- **Categories:** MALWARE
- **Also known as:** COLDRIVER
- **As of:** 2026-07-19

## Tracked threats

- [COLDRIVER (UNC4057/Star Blizzard) Re-Tools with NOROBOT/BAITSWITCH/YESROBOT/MAYBEROBOT/SIMPLEFIX Malware Chain After LOSTKEYS Disclosure](https://intel.threadlinqs.com/threat/TL-2026-1510) — HIGH

## Full data

Infrastructure, IOC values and detection queries (Splunk SPL / Microsoft KQL / Sigma) require the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp

Canonical: https://intel.threadlinqs.com/actor/Cold%20River