Phone calls on it's own

Hello there,

I have a very weird issue, my girlfriends phone makes calls on it's own. To make it worse (Or maybe better to track down...), it is making these calls in a very predictive pattern, see screenshot. Precisely at xx:25 ; xx:55 ; xx:05 and sometimes at xx:35 it dials the number 22.

The phone is a Samsung Galaxy Y (GT-S5360-T), Stock rooted ROM in Thailand with AIS as the provider. The phone has been been running on that setup for a good 2 years, without any changes of apps in the last few months.

I took a logcat from one of these calls. Here is when it starts:

Code:
I/dun_mgr (14358): AT command: AT I/at (14359): ATcmd:0 at 3 I/dun_mgr (14358): atx response: ... I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/dun_mgr (14358): AT command: ATE0V1&D2&C1S0=0 I/at (14359): ATcmd:0 atE0V1&D2&C1S0=0 17 I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/at (14359): ProcessATCmd: bypass to the CP: at&D2, len=5, cmdParmBuf=2, curCmdStr=&D2&C1S0=0, pConcatCmd=&C1S0=0 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/at (14359): ProcessATCmd: bypass to the CP: at&C1, len=5, cmdParmBuf=1, curCmdStr=&C1S0=0, pConcatCmd=S0=0 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/dun_mgr (14358): atx response: ... I/dun_mgr (14358): AT command: AT I/at (14359): ATcmd:0 at 3 I/dun_mgr (14358): atx response: ... I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/dun_mgr (14358): AT command: AT I/at (14359): ATcmd:0 at 3 I/dun_mgr (14358): atx response: ... I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/dun_mgr (14358): AT command: ATE0V1&D2&C1S0=0 I/at (14359): ATcmd:0 atE0V1&D2&C1S0=0 17 I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/at (14359): ProcessATCmd: bypass to the CP: at&D2, len=5, cmdParmBuf=2, curCmdStr=&D2&C1S0=0, pConcatCmd=&C1S0=0 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/at (14359): ProcessATCmd: bypass to the CP: at&C1, len=5, cmdParmBuf=1, curCmdStr=&C1S0=0, pConcatCmd=S0=0 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/dun_mgr (14358): atx response: ... I/dun_mgr (14358): AT command: AT I/at (14359): ATcmd:0 at 3 I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/dun_mgr (14358): atx response: ... I/dun_mgr (14358): AT command: AT I/at (14359): ATcmd:0 at 3 I/dun_mgr (14358): atx response: ... I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/dun_mgr (14358): AT command: ATE0V1&D2&C1S0=0 I/at (14359): ATcmd:0 atE0V1&D2&C1S0=0 17 I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/at (14359): ProcessATCmd: bypass to the CP: at&D2, len=5, cmdParmBuf=2, curCmdStr=&D2&C1S0=0, pConcatCmd=&C1S0=0 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/at (14359): ProcessATCmd: bypass to the CP: at&C1, len=5, cmdParmBuf=1, curCmdStr=&C1S0=0, pConcatCmd=S0=0 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK I/dun_mgr (14358): atx response: ... I/dun_mgr (14358): AT command: AT I/at (14359): ATcmd:0 at 3 I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/dun_mgr (14358): atx response: ... I/dun_mgr (14358): GPRS dial string: M0DT22 I/dun_mgr (14358): Invalid GPRS dial string I/at (14359): ATcmd:0 atM0DT22 9 I/at (14359): AT_ProcessCharParserDataInd at cmd sent state=4 I/at (14359): ProcessATCmd: bypass to the CP: atM0, len=4, cmdParmBuf=0, curCmdStr=M0DT22, pConcatCmd=DT22 I/at (14359): ATC_KERNEL_Get_AT_RESP - I/at (14359): OK E/at_call (14359): ATC_ProcessGprsDialStr = 0 I/dun_mgr (14358): atx response: ...

After that, the CallManager takes over.

The number 22 does not exist, so it doesn't cost me anything, nor is there any sensible data on that phone. Anyway, before i restore factoy settings via Odin, I would like to know if anyone knows something about this. Is this maybe even a new virus?

Attached is the complete logcat, from beginning of the call, to the end.

Any help would be much appreciated =)

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