Omid Farhang
Data Doctor 2010 is rogue antivirus scareware — and in the wild it was also tied to file encryption. Like most rogue “AV” of its era, the pitch is fear: fake warnings, then a paid unlock that does not protect you. Paying made the situation worse when files were held hostage behind the same brand.
Contemporary write-up: Data Doctor 2010 will make you sick. Recovery notes: How to rescue files encrypted by Data Doctor 2010.
Scareware behavior
It shows false security warnings and alerts claiming the PC is infected and recommending purchase before “removing” threats. After payment, the software still does not remove or prevent infections.
Encryption / ransom-style flow
Via iframedollars-style drive-bys (and bundling with other malware), victims saw a sequence along these lines:
1. A message that the system is shutting down due to an “Unrecognized disk driver command.”
2. Reboot to Safe Mode with “Windows has recovered from a serious error… Disk checking is strongly recommended.”
3. Opening a file fails with “Unable to open the file due to data corruption.” A “repair” button downloads Data Doctor 2010 in trial mode — sometimes offering to “repair” one file as a demo — then asks for a lifetime license (historically about $89.95 plus a small activation fee).
What to do
Do not pay. Follow the Malware Removal guide for Windows and recover files with a known-good decryptor when available.
Related scareware
Different families, same scareware economy: