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Mitos

Mitos sobre los antivirus

Android.DownLoader.3549

Added to the Dr.Web virus database: 2018-04-04

Virus description added: 2018-04-04

Technical information

Malicious functions:

Sends SMS messages:

10660408: GA34A

Executes code of the following detected threats:

Android.SmsSpy.677.origin

Downloads the following detected threats from the Web:

Android.SmsSpy.677.origin

Prompts to install third-party applications.

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) sdk.qi1####.com:80
TCP(HTTP/1.1) q####.qi1####.com:14302
TCP(HTTP/1.1) 1####.55.17.147:8080
TCP(HTTP/1.1) prelo####.hishen####.com:80
TCP(HTTP/1.1) q####.qi1####.com:15302
TCP(HTTP/1.1) zxc####.wann####.com:8200
TCP(HTTP/1.1) z####.wann####.com:9500
TCP(HTTP/1.1) p####.nj####.com.####.com:8080
TCP(HTTP/1.1) qyc####.qi1####.com:8200
TCP(HTTP/1.1) hangzho####.oss-cn-####.aliy####.com:80
TCP(HTTP/1.1) z####.wann####.com:9600

DNS requests:

a####.u####.com
hangzho####.oss-cn-####.aliy####.com
p####.nj####.com
prelo####.hishen####.com
q####.qi1####.com
qyc####.qi1####.com
sdk.qi1####.com
z####.wann####.com
zxc####.wann####.com

HTTP GET requests:

hangzho####.oss-cn-####.aliy####.com/qiyi/client/sdk/so/libzxvps.so
p####.nj####.com.####.com:8080/TSSC/TS_100_10.apk
p####.nj####.com.####.com:8080/sdk/spaycoredex_so_2050.jar
prelo####.hishen####.com/project_preloaded/69a5abb02d194050a4995a7fbafd6...
prelo####.hishen####.com/project_preloaded/b0a7a2a12f4f49168816270ec4419...
qyc####.qi1####.com:8200/sdk/file?Us3HZVH####
sdk.qi1####.com/qiyi/client/sdk/PaySDK-1.2.16.8-UR_yx.jar
sdk.qi1####.com/vpssdk/andrcool_1.0.1.jar

HTTP POST requests:

a####.u####.com/app_logs
q####.qi1####.com:14302/sdk_login?t=####
q####.qi1####.com:15302/sdk_login?t=####
qyc####.qi1####.com:8200/sdk/log
z####.wann####.com:9500/
z####.wann####.com:9600/
zxc####.wann####.com:8200/qy/acceptSdkFileReq
zxc####.wann####.com:8200/qy/getOnlineLoginHttpReq

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/1122137939555.46
/data/data/####/1122137939555.46 (deleted)
/data/data/####/2965425277666.17
/data/data/####/2965425277666.17 (deleted)
/data/data/####/a.db
/data/data/####/a.db-journal
/data/data/####/bdotm.qnjhy.wzuln.yodgd.jar
/data/data/####/bdotm.qnjhy.wzuln.yodgd_preference.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/download.db
/data/data/####/download.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getprop
/data/data/####/hreader_more_wonderful.png
/data/data/####/hreader_vip_top.png
/data/data/####/hreaer_pic_vip_book.png
/data/data/####/libexec.so
/data/data/####/maan.so
/data/data/####/pid
/data/data/####/qy_db_pay-journal
/data/data/####/qy_device_info_sdk_update.jar
/data/data/####/qy_video_ad_sdk_update.jar
/data/data/####/splash.jpg
/data/data/####/tmp_jar
/data/data/####/tmp_so
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/unknown.xml
/data/data/####/webview.db-journal
/data/data/####/xUtils_http_cache.db
/data/data/####/xUtils_http_cache.db-journal
/data/media/####/.cfg
/data/media/####/FrameCore.jar
/data/media/####/TS_100_10.apk
/data/media/####/b6a54250616dfc732820091f63fba132
/data/media/####/device

Miscellaneous:

Executes next shell scripts:

app_process /system/bin com.android.commands.am.Am startservice --user 0 -n bdotm.qnjhy.wzuln.yodgd/com.google.android.gms.analytics.CampaignTrackingService
cat /sys/block/mmcblk0/device/cid
chmod 777 /data/data/bdotm.qnjhy.wzuln.yodgd/lib/helper
dd if=/data/data/bdotm.qnjhy.wzuln.yodgd/lib/libhelper.so of=/data/data/bdotm.qnjhy.wzuln.yodgd/lib/helper
getprop
getprop ro.product.cpu.abi
ls -l /system/bin/su
ps | grep bdotm.qnjhy.wzuln.yodgd
sh

Loads the following dynamic libraries:

libexec

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Displays its own windows over windows of other applications.

Parses information from SMS messages.

Gains access to information about sent/received SMS messages.

Curing recommendations

Android

If the mobile device is operating normally, download and install Dr.Web for Android Light. Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
- Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
- Once you have activated safe mode, install the Dr.Web для Android Light onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
- Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android

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