Reader Roland submitted a malicious Zloader Excel 4 macro spreadsheet (MD5 82c12e7fe6cabf5edc0bdaa760b4b8c8).

It's typical of the samples we have seen these last weeks, with heavy formula obfuscation:

These maldocs can now easily be analysed with xlm-deobfuscator:

I also created a short video:

Didier Stevens
Senior handler
Microsoft MVP
blog.DidierStevens.com DidierStevensLabs.com