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Flexispy.B

Classification

Category:

Spyware

Platform:

SymbOS

Type:

Monitor

Aliases:

  • Spyware:SymbOS/Flexispy.B

Summary

Flexispy is a spyphone application that monitors the user of the mobile phone. As the software itself is not malicious towards the phone's operating system, it is not classified as malware.

Removal

Technical Details

Installation

Flexispy.B is installed from a standard SIS package. During installation Flexispy.B shows the dialog seen above. After installation the application will immediately go into hiding and does not show any indication to the phone user of its activity. Being very similar to Flexispy.A, Flexispy.B does not have an application icon in the phone user interface. The Flexispy.B variant differs fromFlexispy.A by not showing anything in theapplication manager where installed software can usually be removed from the phone.

After Flexispy.B has been installed on the phone, the only way for the phone user to see Flexispy.B is to browse into the Flexispy.B directory or to seek for the process of Flexispy.B with some utility software.

User Interface

The user interface of Flexispy.B is similar to Flexispy.A and is only accessible by entering a special code in the phone number field.In the user interface the attacker can control when the spying application reports and what information is recorded.

Recording the Victim's Communication

Flexispy.B records both voice call and SMS information and sends the details to the FlexiSpy server. From there the information can be accessed through a web browser. For more information please see the description of Flexispy.A.

F-Secure Mobile Anti-Virus for Symbian detects this spyware starting from the update build number 87.

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