The new message doesn't warn of a radioactive cloud…
The newest example has a subject line of "Etsin rakastajaa". That translates as "Looking for a lover".
Skeptical of radioactive clouds? Would you believe that Tatjana wants you?
That's social engineering 101.
Update: Example screenshots are available in our ZBot.HS description. The website designs have been used in the past, using German language and targeting Switzerland.
Update #2: Comprehensive analysis of ZBot.HS has been completed. See the description for details.
