Adware.Gexin.244

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) h####.b####.com:80
TCP(HTTP/1.1) d####.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) kan.c####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) api.shanz####.com.cn:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(HTTP/1.1) d####.b####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) t####.qq.com:80
TCP(HTTP/1.1) 1####.254.116.117:80
TCP(TLS/1.0) kan.c####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) regi####.xm####.xi####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224
TCP t####.qq.com:8080

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a####.u####.com
api.s####.mob.com
api.shanz####.com.cn
ar.u####.com
c####.g####.ig####.com
c-h####.g####.com
d####.b####.com
d####.d####.mob.com
h####.b####.com
im####.shanz####.com.cn
kan.c####.com
m.d####.mob.com
pi####.qq.com
regi####.xm####.xi####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.qq.com

HTTP GET requests:

api.shanz####.com.cn/index/index.php?c=####&m=####&a=####
kan.c####.com/toutiao/index/index.php?c=####&m=####&a=####&aid=####
m.d####.mob.com/cconf?appkey=####&plat=####&apppkg=####&appver=####&netw...
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_MkX219
sni.c####.q####.####.net/tdata_iGj879
ti####.c####.l####.####.com/04872e6d695e4db79f82961065081a01.jpg
ti####.c####.l####.####.com/0668b18788184f7c9c9f37fa4b7cb945.jpg
ti####.c####.l####.####.com/14f8672a806543d3803371cbb787146b.jpg
ti####.c####.l####.####.com/29ec8de53d02431a84df854bd928cc20.jpg
ti####.c####.l####.####.com/2a0de941486a4af5b48d58ccf1529eab.jpg
ti####.c####.l####.####.com/2ac8c9953ffa47f0a0a702a9741c5a79.jpg
ti####.c####.l####.####.com/31986a74388c436c9d8fc03cb170ddbe.jpg?imageVi...
ti####.c####.l####.####.com/3639c9b8e94640d09a3de774328e0221.gif?imageVi...
ti####.c####.l####.####.com/3e5ff4c6db5e46039cf9026328bffd35.mp4
ti####.c####.l####.####.com/5196ad8bf71241478230acedbcdb9e2d.jpg
ti####.c####.l####.####.com/5359bec3ead2425cb6d9d2bf3f9f9c2b.jpg
ti####.c####.l####.####.com/5429e919932e4b7c9f6abe6474bff688.jpg?imageVi...
ti####.c####.l####.####.com/570c1eb366044bb38b2d9f0f62ecf24a.jpg?imageVi...
ti####.c####.l####.####.com/5a53af0e44474e3abb235f5f9da0e3ab.jpg?imageVi...
ti####.c####.l####.####.com/5de3a633f61f46cdb437dc20de167a88.jpg?imageVi...
ti####.c####.l####.####.com/62442c2cd383489a94d4c7f4aab4479e.jpg
ti####.c####.l####.####.com/73eec50f349640feb4189c0ae5ed5f80.jpg
ti####.c####.l####.####.com/73eec50f349640feb4189c0ae5ed5f80.jpg?imageVi...
ti####.c####.l####.####.com/74510a9eb8c443eb945fa46130575535.jpg?imageVi...
ti####.c####.l####.####.com/791cc8c450a54709ad2d47a261b544d0.jpg
ti####.c####.l####.####.com/7a46cfc5225a41668f6b8ebbf66681fe.jpg
ti####.c####.l####.####.com/7b889918e3e94b888a4d7f5a35ede539.jpg?imageVi...
ti####.c####.l####.####.com/808aa746b24040cf844b00236bea9f02.jpg
ti####.c####.l####.####.com/82c4dcd336aa4702bb68a48123276e16.jpg
ti####.c####.l####.####.com/82c4dcd336aa4702bb68a48123276e16.jpg?imageVi...
ti####.c####.l####.####.com/88740ff4f69f4259be28599dcdc4cde9.jpg?imageVi...
ti####.c####.l####.####.com/8919959e4fb64658baa58b6103c99b90.jpg
ti####.c####.l####.####.com/91926794042f4a6e95b7a15267e9fb55.jpg
ti####.c####.l####.####.com/9506b90668ac457e91b1fcba63439e7f.jpg
ti####.c####.l####.####.com/98d9015aa4ff4d8ca2e2836b95db067e.jpg?imageVi...
ti####.c####.l####.####.com/9b35eaa7681d4f73a819ec29b87e399c.jpg
ti####.c####.l####.####.com/9c6ddb0cd848463690b78abbcb583310.gif?imageVi...
ti####.c####.l####.####.com/a78a9f285bba47faa57fbc2d7ef82f64.jpg
ti####.c####.l####.####.com/ab8f634a8c5e4cdb97576e6274e28ce9.jpg
ti####.c####.l####.####.com/abfa075ce02c43c996e998250bf9e441.jpg
ti####.c####.l####.####.com/b7cdb08219c3448593fe75009933eee1.jpg
ti####.c####.l####.####.com/ba7c5226b63243f8bc7f86f23890fcc9.jpg?imageVi...
ti####.c####.l####.####.com/c65a00bb15ff43809d8cddfe9f09bebc.jpg
ti####.c####.l####.####.com/c96c755676844d80abae27085b8dbdfc.jpg
ti####.c####.l####.####.com/ce2517382f8c44779ceb3527a580e2a1.jpg
ti####.c####.l####.####.com/e868d96591c546eebf16ead99981d710.gif?imageVi...
ti####.c####.l####.####.com/ed90013f4cd64126a21b83599dd6d117.jpg?imageVi...
ti####.c####.l####.####.com/eefa748ebfb342a380b86c9704ad50e6.jpg
ti####.c####.l####.####.com/f27fe3df71dd473dacea39a1542ae28b.jpg
ti####.c####.l####.####.com/fbcd61d0a3ac4e518dbdb23e3c370d4c.jpg?imageVi...

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
api.shanz####.com.cn/index/index.php?c=####&m=####&a=####
c-h####.g####.com/api.php?format=####&t=####
d####.b####.com/xs.gif?k=cxN6g####&iv=Q45H####&c=0OgK9####&dm=Z18o####&a...
d####.d####.mob.com/dinfo
d####.d####.mob.com/dsign
h####.b####.com/app.gif
pi####.qq.com/mstat/report/?index=####
sdk.o####.p####.####.com/api.php?format=####&t=####
t####.qq.com/203.205.146.122:80/

Modified file system:

Creates the following files:

/data/data/####/-801585808
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/.tpns.service.xml.xml
/data/data/####/.tpns.settings.xml.xml
/data/data/####/.tpush_mta.xml
/data/data/####/0TYRMwng5hkZphMvd9FKHxZaAEE.-1468918627.tmp
/data/data/####/1MBLcNsGfZ2rVWcDpECZ9EYb1Pw.-279241054.tmp
/data/data/####/278-FOrHDlgaRCsKqHGek4L2NMw.1598722366.tmp
/data/data/####/6i9ZWG8G-skb_aONKs1leV81SjM.1353906309.tmp
/data/data/####/945MQR1X6AXKFhDaroUhSOONvMs.-1431760640.tmp
/data/data/####/AF58WaCUFUF9ooePN0k8MndV3BM.159798465.tmp
/data/data/####/Kuw_RaFFQACiZbGWmANRxv3-E_4.-387117186.tmp
/data/data/####/PAn5geGbG49-_QYIXSS1eMD1bFQ.-1490983276.tmp
/data/data/####/SnFadY9utT7vwRlJf4Ue21SeG_k.-1162276090.tmp
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/XV-9UWmhr5SDjq-0ShgmTIErUvo.2127081458.tmp
/data/data/####/ZlEzC04jIs8QCwSIPZbrZYvLihQ.169036769.tmp
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__send_data_1531821541499
/data/data/####/_ii-EfBDtk7H8DSvxDeYFvBKUbw.-1389768483.tmp
/data/data/####/auCWys1SU9olid-ecW7fzUEwyPM.-1783966272.tmp
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.kangyuan.juzitoutiao_preferences.xml
/data/data/####/dGEF1F2vm2KvrD3EHNPeqCo4AhY.-1271660553.tmp
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/device_id.xml
/data/data/####/disk_entries_list_image_cache_-452553205.xml
/data/data/####/dzw68aTHddgSHHGJTTLe5fqg5s0.82315199.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/fK284R-HKRtd4bpRaxtYzFy240Y.-522233885.tmp
/data/data/####/fRRdWQ4YI5Mm5RtW-UMPqFaIwLg.892456731.tmp
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/gcBUQnmIekCvdGRPHcM4l97GXOY.-1595443109.tmp
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i_q1wfrbiIjjYA1NEawM0mh-IeU.1902923673.tmp
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu1455706824.so
/data/data/####/lmTrMZcmGJ7ZT3oVJzPXvnd3j44.757373451.tmp
/data/data/####/mipush.xml
/data/data/####/mipush_extra.xml
/data/data/####/mob_commons_1.xml
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/multidex.version.xml
/data/data/####/news.xml
/data/data/####/o4i4K3zRf7p6lhAjrbYxUBOm57g.1952698340.tmp
/data/data/####/pHK2ufPbQtgM280xeCgTSFP9TuA.-498637209.tmp
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/q1llo4S7AEWSXZY0AzKv81i_VfU.-1667478241.tmp
/data/data/####/run.pid
/data/data/####/share_sdk_1.xml
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/tencent_analysis.db-journal
/data/data/####/tpush.shareprefs.xml
/data/data/####/uJRPxlev0R_VzxPxVQ9ABV84ZEU.-1803208145.tmp
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/xg_message.db
/data/data/####/xg_message.db-journal
/data/data/####/z3WDIorRw_PlSfjFDTF7PMnSt1U.-1205302577.tmp
/data/data/####/z70gWH7gACVdI2EVoz3i79xyZG0.1339972319.tmp
/data/media/####/-1013847548.0.tmp
/data/media/####/-1159262682.0.tmp
/data/media/####/-1467157452.0.tmp
/data/media/####/-1648292844.0.tmp
/data/media/####/-1710201460.0.tmp
/data/media/####/-329416781.0.tmp
/data/media/####/-73967233.0.tmp
/data/media/####/-741938639.0.tmp
/data/media/####/-951220106.0.tmp
/data/media/####/.al
/data/media/####/.ccLock
/data/media/####/.ccc
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.dh-journal
/data/media/####/.dhlock
/data/media/####/.dic_lock
/data/media/####/.dk
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.mid.txt
/data/media/####/.nomedia
/data/media/####/.nulal
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.plst
/data/media/####/.rc_lock
/data/media/####/.timestamp
/data/media/####/.usLock
/data/media/####/146406161.0.tmp
/data/media/####/1634250374.0.tmp
/data/media/####/1639481035.0.tmp
/data/media/####/1669756687.0.tmp
/data/media/####/1897112719.0.tmp
/data/media/####/1960998785.0.tmp
/data/media/####/2086197448.0.tmp
/data/media/####/297106006.0.tmp
/data/media/####/794363517.0.tmp
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.kangyuan.juzitoutiao.bin
/data/media/####/com.kangyuan.juzitoutiao.db
/data/media/####/journal.tmp
/data/media/####/log.lock
/data/media/####/log1.txt
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.DemoPushService 25496 300 0
<Package Folder>/lib/libxguardian.so <Package>,2100215508; 55773 203.205.128.130 [{ idx :0, ts :%d, et :2000, si :0, ui : <IMEI> , ky : Axg%lu , mid : 0 , ev :{ ov : 18 , sr : 600*752 , md : <System Property> , lg : en , sv : 3.1 , mf : unknown , apn : %s }}] 0 18
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu1455706824.so
grep -E -v root|shell|system
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.DemoPushService 25496 300 0
top -d 0 -n 1

Loads the following dynamic libraries:

MtaNativeCrash
getuiext2
imagepipeline
libjiagu1455706824
neh
pl_droidsonroids_gif
tpnsSecurity

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB8-NoPadding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-ECB-PKCS1PADDING
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CFB8-NoPadding
DES-ECB-PKCS5Padding

Uses special library to hide executable bytecode.

Gains access to network information.

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

Gains access to information about APN settings.

Gains access to information about installed applications.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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