Vidar Private ArhontCorp Part 1 Exposes 43,536 Plaintext Passwords

This file is the larger half of a two part Vidar stealer log: Part 1, logged by HEROIC analysts on August 26, 2026, holds 43,536 records compared to the 1,295 in its companion Part 2. Both pull from the same TG ArhontCorp source and contain matching email addresses, plaintext passwords, and URLs, just split across separate uploads. Whichever half your information landed in, scanning your email is the only way to find out.

Why Splitting a Leak Into Parts Doesn't Reduce the Risk

Breaking one haul into part1 and part2 files doesn't change what's inside either piece, it just spreads the same risk across two uploads. Anyone with both parts simply has a bigger combined list to work from; anyone with just this one still holds 43,536 complete, ready to use logins. The split is a filing convenience for whoever posted it, not a safeguard for the people in it.

What's Inside This Larger Half of the Vidar ArhontCorp Pair

• Email addresses: ties each password to a specific inbox.
• Plaintext passwords: readable and usable immediately, no cracking needed.
• URLs: identifies exactly which site or service each password opens.

What 43,536 Working Logins Mean at This Scale

At this size, the file supports large scale credential stuffing: automated tools can run through every entry against banking, email, and retail sites looking for matches. Anyone who reused a password captured here risks losing access to accounts that have nothing to do with whatever Vidar infection first grabbed it. The bigger half of a split leak still carries the full weight of that risk for everyone inside it.

Why Leaks Like This Show Up in Multiple Parts

A Vidar stealer log is built from malware sitting on infected devices, copying saved browser passwords and the web addresses tied to them rather than breaking into any company's servers. Large hauls are often split into numbered parts simply because of file size limits on the platforms where they're shared. According to HEROIC analysts, treating part1 and part2 as a single combined leak, rather than two separate incidents, gives the clearest picture of actual exposure.

Since This Is the Bigger Half, Shouldn't You Check Both Parts?

Scan your email to see whether you appear in this file, its companion Part 2, or both. If either turns up a match, change that password on every account where it's reused, since a split leak carries the same consequences as one combined file. Check personal and work email addresses together, as both commonly turn up in the same infection.