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アンチウイルスに関する誤解と噂

アンチウイルスに関する誤解

ニュース

Android.Gexin.1314

Added to the Dr.Web virus database: 2022-01-01

Virus description added: 2022-01-02

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) pili-qo####.qini####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) 2####.58.214.10:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) 1####.250.179.170:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP sdk.o####.t####.####.net:5224
TCP cm-10####.g####.com:5226

DNS requests:

a.appj####.com
and####.b####.qq.com
and####.cli####.go####.com
and####.google####.com
c-h####.g####.com
c.sz.gt.####.8
c.sz.gt.####.com
cm-10####.g####.com
m####.go####.com
pili-qo####.qini####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.shan####.cn
www.shan####.cn.####.8

HTTP GET requests:

d####.c####.l####.####.com/config/hzv9.conf

HTTP POST requests:

a.appj####.com/ad-service/ad/mark
and####.b####.qq.com/rqd/async?aid=####
pili-qo####.qini####.com/raw/log
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/1004
/data/data/####/bugly_db_
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/crashrecord.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/null_ActizSns.db
/data/data/####/null_ActizSns.db-journal
/data/data/####/pili_qos_index.json
/data/data/####/pili_qos_log.0
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/qos.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/shangtan_cn.xml
/data/data/####/tmpd8.db
/data/data/####/tmpd8.db-journal
/data/data/####/user_first.xml
/data/media/####/ImgCache.0
/data/media/####/ImgCache.1
/data/media/####/ImgCache.idx
/data/media/####/app.db
/data/media/####/com.actiz.dlk.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/crash-2022-01-01-22-06-45-1641064005456.log
/data/media/####/crash-2022-01-01-22-06-55-1641064015480.log
/data/media/####/crash-2022-01-01-22-07-05-1641064025832.log
/data/media/####/crash-2022-01-01-22-07-11-1641064031442.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c type su
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop androVM.vbox_dpi
getprop gsm.sim.state
getprop gsm.sim.state2
getprop qemu.sf.fake_camera
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.debuggable
getprop ro.genymotion.version
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.secure
getprop ro.vivo.os.build.display.id

Uses the following algorithms to encrypt data:

AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-GCM-NoPadding

Uses special library to hide executable bytecode.

Gets information about phone status (number, IMEI, etc.).

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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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