The Finnish-based security firm said the Nyxem.e worm contains dangerous code that instructs it to replace data in files like '.DOC, .XML, .MDB, .MDE , .PPT, .PPS, .ZIP, .RAR, .PDF, .PSD or .DMP 'with a character string' DATA Error [47 0F 94 93 F4 K5] '.
But this replacement is even more dangerous when it is carried out properly on the 3rd day of each month.
Thus we can see that this virus affects a variety of popular applications such as Microsoft Word, Excel, PowerPoint, Access, Adobe PhotoShop and Acrobat.
The Nyxem.e worm is quite similar to the recently discovered VB.bi/Blackmal/MyWife.d worm - a worm that only within 24 hours has appeared to climb to number 3 on the chart. Class of dangerous viruses. According to F-Secure, the new worm now accounts for 7% of all virus messages sent to the company.
F-Secure had to decide to raise the alert level for Nyxem.e worm to '2' level - This is the first time this security firm has used such high alert levels since Windows Metafile security error. was discovered late last year.