Trojan.Encoder.35550

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'XO1XADpO01' = '"C"'

Creates the following files on removable media

<Drive name for removable media>:\000814251_video_01.avi
<Drive name for removable media>:\applicantform_en.doc
<Drive name for removable media>:\sdksampleprivdeveloper.cer
<Drive name for removable media>:\testcertificate.cer
<Drive name for removable media>:\pmd.cer
<Drive name for removable media>:\contosoroot.cer
<Drive name for removable media>:\contoso_1.cer
<Drive name for removable media>:\default.bmp
<Drive name for removable media>:\dashborder_120.bmp
<Drive name for removable media>:\dialmap.bmp
<Drive name for removable media>:\tileimage.bmp
<Drive name for removable media>:\dashborder_192.bmp
<Drive name for removable media>:\join.avi
<Drive name for removable media>:\delete.avi
<Drive name for removable media>:\dashborder_144.bmp
<Drive name for removable media>:\restore-my-files.txt
<Drive name for removable media>:\hanni_umami_chapter.doc
<Drive name for removable media>:\february_catalogue__2015.doc

Malicious functions

To complicate detection of its presence in the operating system,

deletes volume shadow copies.

Modifies file system

Creates the following files

D:\restore-my-files.txt
C:\far2\addons\colors\custom_highlighting\restore-my-files.txt
C:\far2\addons\colors\default_highlighting\restore-my-files.txt
C:\far2\addons\colors\restore-my-files.txt
C:\far2\addons\restore-my-files.txt

Modifies the following files

<Drive name for removable media>:\000814251_video_01.avi
C:\far2\addons\colors\default_highlighting\descript.ion
C:\far2\addons\colors\custom_highlighting\descript.ion
<Drive name for removable media>:\february_catalogue__2015.doc
<Drive name for removable media>:\ovp25012015.doc
<Drive name for removable media>:\hanni_umami_chapter.doc
<Drive name for removable media>:\applicantform_en.doc
<Drive name for removable media>:\sdksampleprivdeveloper.cer
<Drive name for removable media>:\testcertificate.cer
<Drive name for removable media>:\pmd.cer
C:\far2\addons\colors\descript.ion
<Drive name for removable media>:\contosoroot.cer
<Drive name for removable media>:\default.bmp
<Drive name for removable media>:\dashborder_120.bmp
<Drive name for removable media>:\dialmap.bmp
<Drive name for removable media>:\tileimage.bmp
<Drive name for removable media>:\dashborder_192.bmp
<Drive name for removable media>:\join.avi
<Drive name for removable media>:\delete.avi
<Drive name for removable media>:\dashborder_144.bmp
D:\install.log
<Drive name for removable media>:\contoso_1.cer
C:\far2\addons\descript.ion

Modifies user data files (Trojan.Encoder).

Changes user data files extensions (Trojan.Encoder).

Network activity

Connects to

'<LOCALNET>.68.254':445
'<LOCALNET>.68.237':135
'<LOCALNET>.68.236':135
'<LOCALNET>.68.235':135
'<LOCALNET>.68.234':135
'<LOCALNET>.68.233':135
'<LOCALNET>.68.232':135
'<LOCALNET>.68.231':135
'<LOCALNET>.68.230':135
'<LOCALNET>.68.229':135
'<LOCALNET>.68.228':135
'<LOCALNET>.68.246':135
'<LOCALNET>.68.219':135
'<LOCALNET>.68.245':135
'<LOCALNET>.68.244':135
'<LOCALNET>.68.243':135
'<LOCALNET>.68.242':135
'<LOCALNET>.68.241':135
'<LOCALNET>.68.240':135
'<LOCALNET>.68.239':135
'<LOCALNET>.68.238':135
'<LOCALNET>.68.252':135
'<LOCALNET>.68.247':135
'<LOCALNET>.68.9':445
'<LOCALNET>.68.220':135
'<LOCALNET>.68.200':135
'<LOCALNET>.68.199':135
'<LOCALNET>.68.198':135
'<LOCALNET>.68.211':135
'<LOCALNET>.68.210':135
'<LOCALNET>.68.209':135
'<LOCALNET>.68.208':135
'<LOCALNET>.68.207':135
'<LOCALNET>.68.206':135
'<LOCALNET>.68.205':135
'<LOCALNET>.68.251':135
'<LOCALNET>.68.218':135
'<LOCALNET>.68.215':135
'<LOCALNET>.68.214':135
'<LOCALNET>.68.213':135
'<LOCALNET>.68.212':135
'<LOCALNET>.68.227':135
'<LOCALNET>.68.226':135
'<LOCALNET>.68.225':135
'<LOCALNET>.68.224':135
'<LOCALNET>.68.223':135
'<LOCALNET>.68.222':135
'<LOCALNET>.68.216':135
'<LOCALNET>.68.221':135
'<LOCALNET>.68.250':135
'<LOCALNET>.68.249':135
'<LOCALNET>.68.248':135
'<LOCALNET>.68.35':445
'<LOCALNET>.68.25':445
'<LOCALNET>.68.26':445
'<LOCALNET>.68.27':445
'<LOCALNET>.68.28':445
'<LOCALNET>.68.29':445
'<LOCALNET>.68.30':445
'<LOCALNET>.68.31':445
'<LOCALNET>.68.32':445
'<LOCALNET>.68.33':445
'<LOCALNET>.68.201':135
'<LOCALNET>.68.23':445
'<LOCALNET>.68.36':445
'<LOCALNET>.68.37':445
'<LOCALNET>.68.38':445
'<LOCALNET>.68.39':445
'<LOCALNET>.68.40':445
'<LOCALNET>.68.41':445
'<LOCALNET>.68.42':445
'<LOCALNET>.68.43':445
'<LOCALNET>.68.44':445
'<LOCALNET>.68.45':445
'<LOCALNET>.68.34':445
'<LOCALNET>.68.217':135
'<LOCALNET>.68.22':445
'<LOCALNET>.68.19':445
'<LOCALNET>.68.21':445
'<LOCALNET>.68.253':135
'<LOCALNET>.68.254':135
'<LOCALNET>.68.0':445
'<LOCALNET>.68.1':445
'<LOCALNET>.68.2':445
'<LOCALNET>.68.3':445
'<LOCALNET>.68.4':445
'<LOCALNET>.68.5':445
'<LOCALNET>.68.6':445
'<LOCALNET>.68.20':445
'<LOCALNET>.68.7':445
'<LOCALNET>.68.24':445
'<LOCALNET>.68.10':445
'<LOCALNET>.68.11':445
'<LOCALNET>.68.12':445
'<LOCALNET>.68.13':445
'<LOCALNET>.68.14':445
'<LOCALNET>.68.15':445
'<LOCALNET>.68.16':445
'<LOCALNET>.68.17':445
'<LOCALNET>.68.18':445
'<LOCALNET>.68.8':445
'<LOCALNET>.68.202':135
'<LOCALNET>.68.203':135
'<LOCALNET>.68.204':135
'<LOCALNET>.68.164':135
'<LOCALNET>.68.163':135
'<LOCALNET>.68.162':135
'<LOCALNET>.68.161':135
'<LOCALNET>.68.160':135
'<LOCALNET>.68.159':135
'<LOCALNET>.68.158':135
'<LOCALNET>.68.174':135
'<LOCALNET>.68.152':135
'<LOCALNET>.68.151':135
'<LOCALNET>.68.165':135
'<LOCALNET>.68.150':135
'<LOCALNET>.68.148':135
'<LOCALNET>.68.147':135
'<LOCALNET>.68.146':135
'<LOCALNET>.68.167':135
'<LOCALNET>.68.166':135
'<LOCALNET>.68.136':135
'<LOCALNET>.68.135':135
'<LOCALNET>.68.134':135
'<LOCALNET>.68.133':135
'<LOCALNET>.68.132':135
'<LOCALNET>.68.149':135
'<LOCALNET>.68.63':135
'<LOCALNET>.68.46':445
'<LOCALNET>.68.169':135
'<LOCALNET>.68.79':135
'<LOCALNET>.68.78':135
'<LOCALNET>.68.77':135
'<LOCALNET>.68.76':135
'<LOCALNET>.68.75':135
'<LOCALNET>.68.74':135
'<LOCALNET>.68.73':135
'<LOCALNET>.68.72':135
'<LOCALNET>.68.66':135
'<LOCALNET>.68.65':135
'<LOCALNET>.68.157':135
'<LOCALNET>.68.64':135
'<LOCALNET>.68.62':135
'<LOCALNET>.68.61':135
'<LOCALNET>.68.60':135
'<LOCALNET>.68.59':135
'<LOCALNET>.68.58':135
'<LOCALNET>.68.57':135
'<LOCALNET>.68.173':135
'<LOCALNET>.68.172':135
'<LOCALNET>.68.171':135
'<LOCALNET>.68.170':135
'<LOCALNET>.68.67':135
'<LOCALNET>.68.123':135
'<LOCALNET>.68.156':135
'<LOCALNET>.68.184':135
'<LOCALNET>.68.115':135
'<LOCALNET>.68.114':135
'<LOCALNET>.68.113':135
'<LOCALNET>.68.121':135
'<LOCALNET>.68.188':135
'<LOCALNET>.68.187':135
'<LOCALNET>.68.186':135
'<LOCALNET>.68.175':135
'<LOCALNET>.68.176':135
'<LOCALNET>.68.177':135
'<LOCALNET>.68.116':135
'<LOCALNET>.68.178':135
'<LOCALNET>.68.180':135
'<LOCALNET>.68.197':135
'<LOCALNET>.68.196':135
'<LOCALNET>.68.195':135
'<LOCALNET>.68.194':135
'<LOCALNET>.68.193':135
'<LOCALNET>.68.192':135
'<LOCALNET>.68.191':135
'<LOCALNET>.68.190':135
'<LOCALNET>.68.189':135
'<LOCALNET>.68.179':135
'<LOCALNET>.68.80':135
'<LOCALNET>.68.154':135
'<LOCALNET>.68.183':135
'<LOCALNET>.68.153':135
'<LOCALNET>.68.145':135
'<LOCALNET>.68.144':135
'<LOCALNET>.68.143':135
'<LOCALNET>.68.142':135
'<LOCALNET>.68.141':135
'<LOCALNET>.68.140':135
'<LOCALNET>.68.139':135
'<LOCALNET>.68.138':135
'<LOCALNET>.68.137':135
'<LOCALNET>.68.155':135
'<LOCALNET>.68.122':135
'<LOCALNET>.68.124':135
'<LOCALNET>.68.125':135
'<LOCALNET>.68.126':135
'<LOCALNET>.68.127':135
'<LOCALNET>.68.128':135
'<LOCALNET>.68.129':135
'<LOCALNET>.68.130':135
'<LOCALNET>.68.131':135
'<LOCALNET>.68.181':135
'<LOCALNET>.68.182':135
'<LOCALNET>.68.185':135
'<LOCALNET>.68.168':135
'<LOCALNET>.68.47':445
'<LOCALNET>.68.74':445
'<LOCALNET>.68.181':445
'<LOCALNET>.68.182':445
'<LOCALNET>.68.183':445
'<LOCALNET>.68.184':445
'<LOCALNET>.68.185':445
'<LOCALNET>.68.186':445
'<LOCALNET>.68.187':445
'<LOCALNET>.68.188':445
'<LOCALNET>.68.189':445
'<LOCALNET>.68.190':445
'<LOCALNET>.68.192':445
'<LOCALNET>.68.179':445
'<LOCALNET>.68.193':445
'<LOCALNET>.68.194':445
'<LOCALNET>.68.195':445
'<LOCALNET>.68.196':445
'<LOCALNET>.68.197':445
'<LOCALNET>.68.198':445
'<LOCALNET>.68.199':445
'<LOCALNET>.68.200':445
'<LOCALNET>.68.201':445
'<LOCALNET>.68.191':445
'<LOCALNET>.68.217':445
'<LOCALNET>.68.178':445
'<LOCALNET>.68.155':445
'<LOCALNET>.68.156':445
'<LOCALNET>.68.157':445
'<LOCALNET>.68.158':445
'<LOCALNET>.68.159':445
'<LOCALNET>.68.160':445
'<LOCALNET>.68.161':445
'<LOCALNET>.68.162':445
'<LOCALNET>.68.163':445
'<LOCALNET>.68.164':445
'<LOCALNET>.68.202':445
'<LOCALNET>.68.180':445
'<LOCALNET>.68.167':445
'<LOCALNET>.68.168':445
'<LOCALNET>.68.169':445
'<LOCALNET>.68.170':445
'<LOCALNET>.68.171':445
'<LOCALNET>.68.172':445
'<LOCALNET>.68.173':445
'<LOCALNET>.68.174':445
'<LOCALNET>.68.175':445
'<LOCALNET>.68.176':445
'<LOCALNET>.68.166':445
'<LOCALNET>.68.177':445
'<LOCALNET>.68.203':445
'<LOCALNET>.68.204':445
'<LOCALNET>.68.205':445
'<LOCALNET>.68.243':445
'<LOCALNET>.68.233':445
'<LOCALNET>.68.234':445
'<LOCALNET>.68.235':445
'<LOCALNET>.68.236':445
'<LOCALNET>.68.237':445
'<LOCALNET>.68.238':445
'<LOCALNET>.68.239':445
'<LOCALNET>.68.240':445
'<LOCALNET>.68.241':445
'<LOCALNET>.68.154':445
'<LOCALNET>.68.231':445
'<LOCALNET>.68.244':445
'<LOCALNET>.68.245':445
'<LOCALNET>.68.246':445
'<LOCALNET>.68.247':445
'<LOCALNET>.68.248':445
'<LOCALNET>.68.249':445
'<LOCALNET>.68.250':445
'<LOCALNET>.68.251':445
'<LOCALNET>.68.252':445
'<LOCALNET>.68.253':445
'<LOCALNET>.68.242':445
'<LOCALNET>.68.165':445
'<LOCALNET>.68.230':445
'<LOCALNET>.68.227':445
'<LOCALNET>.68.229':445
'<LOCALNET>.68.206':445
'<LOCALNET>.68.207':445
'<LOCALNET>.68.208':445
'<LOCALNET>.68.209':445
'<LOCALNET>.68.210':445
'<LOCALNET>.68.211':445
'<LOCALNET>.68.212':445
'<LOCALNET>.68.213':445
'<LOCALNET>.68.214':445
'<LOCALNET>.68.228':445
'<LOCALNET>.68.215':445
'<LOCALNET>.68.232':445
'<LOCALNET>.68.218':445
'<LOCALNET>.68.219':445
'<LOCALNET>.68.220':445
'<LOCALNET>.68.221':445
'<LOCALNET>.68.222':445
'<LOCALNET>.68.223':445
'<LOCALNET>.68.224':445
'<LOCALNET>.68.225':445
'<LOCALNET>.68.226':445
'<LOCALNET>.68.216':445
'<LOCALNET>.68.153':445
'<LOCALNET>.68.152':445
'<LOCALNET>.68.151':445
'<LOCALNET>.68.77':445
'<LOCALNET>.68.78':445
'<LOCALNET>.68.79':445
'<LOCALNET>.68.80':445
'<LOCALNET>.68.81':445
'<LOCALNET>.68.82':445
'<LOCALNET>.68.83':445
'<LOCALNET>.68.84':445
'<LOCALNET>.68.85':445
'<LOCALNET>.68.86':445
'<LOCALNET>.68.76':445
'<LOCALNET>.68.87':445
'<LOCALNET>.68.89':445
'<LOCALNET>.68.90':445
'<LOCALNET>.68.91':445
'<LOCALNET>.68.92':445
'<LOCALNET>.68.93':445
'<LOCALNET>.68.94':445
'<LOCALNET>.68.95':445
'<LOCALNET>.68.96':445
'<LOCALNET>.68.97':445
'<LOCALNET>.68.98':445
'<LOCALNET>.68.88':445
'<LOCALNET>.68.62':445
'<LOCALNET>.68.48':445
'<LOCALNET>.68.73':445
'<LOCALNET>.68.50':445
'<LOCALNET>.68.51':445
'<LOCALNET>.68.52':445
'<LOCALNET>.68.53':445
'<LOCALNET>.68.55':445
'<LOCALNET>.68.56':445
'<LOCALNET>.68.57':445
'<LOCALNET>.68.58':445
'<LOCALNET>.68.59':445
'<LOCALNET>.68.60':445
'<LOCALNET>.68.99':445
'<LOCALNET>.68.61':445
'<LOCALNET>.68.63':445
'<LOCALNET>.68.64':445
'<LOCALNET>.68.65':445
'<LOCALNET>.68.66':445
'<LOCALNET>.68.67':445
'<LOCALNET>.68.68':445
'<LOCALNET>.68.69':445
'<LOCALNET>.68.70':445
'<LOCALNET>.68.71':445
'<LOCALNET>.68.72':445
'<LOCALNET>.68.75':445
'<LOCALNET>.68.114':445
'<LOCALNET>.68.100':445
'<LOCALNET>.68.126':445
'<LOCALNET>.68.129':445
'<LOCALNET>.68.130':445
'<LOCALNET>.68.131':445
'<LOCALNET>.68.132':445
'<LOCALNET>.68.133':445
'<LOCALNET>.68.134':445
'<LOCALNET>.68.135':445
'<LOCALNET>.68.136':445
'<LOCALNET>.68.137':445
'<LOCALNET>.68.138':445
'<LOCALNET>.68.128':445
'<LOCALNET>.68.139':445
'<LOCALNET>.68.141':445
'<LOCALNET>.68.142':445
'<LOCALNET>.68.143':445
'<LOCALNET>.68.144':445
'<LOCALNET>.68.145':445
'<LOCALNET>.68.146':445
'<LOCALNET>.68.147':445
'<LOCALNET>.68.148':445
'<LOCALNET>.68.149':445
'<LOCALNET>.68.150':445
'<LOCALNET>.68.140':445
'<LOCALNET>.68.49':445
'<LOCALNET>.68.102':445
'<LOCALNET>.68.125':445
'<LOCALNET>.68.103':445
'<LOCALNET>.68.104':445
'<LOCALNET>.68.105':445
'<LOCALNET>.68.106':445
'<LOCALNET>.68.107':445
'<LOCALNET>.68.108':445
'<LOCALNET>.68.109':445
'<LOCALNET>.68.110':445
'<LOCALNET>.68.111':445
'<LOCALNET>.68.112':445
'<LOCALNET>.68.101':445
'<LOCALNET>.68.113':445
'<LOCALNET>.68.115':445
'<LOCALNET>.68.116':445
'<LOCALNET>.68.117':445
'<LOCALNET>.68.118':445
'<LOCALNET>.68.119':445
'<LOCALNET>.68.120':445
'<LOCALNET>.68.121':445
'<LOCALNET>.68.122':445
'<LOCALNET>.68.123':445
'<LOCALNET>.68.124':445
'<LOCALNET>.68.127':445
'<LOCALNET>.68.81':135

Miscellaneous

Creates and executes the following

'<SYSTEM32>\cmd.exe' /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog ...' (with hidden window)

Executes the following

'<SYSTEM32>\cmd.exe' /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog ...

Technologies

Terminology

Training and education

Myths

Technical Information

Curing recommendations

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