McAfee > Theat Center > Virus Detail Page

Overview

This is a trojan detection. Unlike viruses, trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Aliases

• TROJ_SUOMIA.A (Trend)

Characteristics

When executed on the victim machine, this trojan (created using a commercial SFX package) drops the file MIAOUS3.EXE into the system Tempdir (e.g. C:\Windows\Temp) and modifies various Registry keys in an attempt to hook the execution of EXE files.

The following window is displayed upon execution of the trojan:

The following key is added:

The following keys are modified:

The file 'C:\_cd_N5\secret\MIAOUS3\MIAOUS3.exe' was not dropped during tests, and so subsequent execution of EXE files resulted in a system error (the OS prompting for location of MIAOUS3.EXE). When MIAOUS3.EXE is executed, it displays a pornographic image.

Symptoms

'Program Not Found' system error message concerning MIAOUS3.EXE when attempting to run EXE files.

Method of Infection

The trojan makes damaging modifications to the system Registry upon execution, dropping another executable which displays a pornographic image when run.

Removal

All Users:
Use specified engine and DAT files for detection and removal.

Additional Windows ME/XP removal considerations

Variants

Variants

N/A

All Information

Overview -

This is a trojan detection. Unlike viruses, trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Aliases

• TROJ_SUOMIA.A (Trend)

Characteristics

Characteristics -

When executed on the victim machine, this trojan (created using a commercial SFX package) drops the file MIAOUS3.EXE into the system Tempdir (e.g. C:\Windows\Temp) and modifies various Registry keys in an attempt to hook the execution of EXE files.

The following window is displayed upon execution of the trojan:

The following key is added:

The following keys are modified:

The file 'C:\_cd_N5\secret\MIAOUS3\MIAOUS3.exe' was not dropped during tests, and so subsequent execution of EXE files resulted in a system error (the OS prompting for location of MIAOUS3.EXE). When MIAOUS3.EXE is executed, it displays a pornographic image.

Symptoms

Symptoms -

'Program Not Found' system error message concerning MIAOUS3.EXE when attempting to run EXE files.

Method of Infection

Method of Infection -

The trojan makes damaging modifications to the system Registry upon execution, dropping another executable which displays a pornographic image when run.

Removal -

Removal -

All Users:
Use specified engine and DAT files for detection and removal.

Additional Windows ME/XP removal considerations

Variants

Variants -

N/A