Categories: Malware

PHP:BackDoor-BU [Trj] (file analysis)

The PHP:BackDoor-BU [Trj] is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What PHP:BackDoor-BU [Trj] virus can do?

Injection (inter-process)
Injection with CreateRemoteThread in a remote process
Uses Windows utilities for basic functionality
A potential decoy document was displayed to the user
Network activity detected but not expressed in API logs

Related domains:

z.whorecord.xyz

a.tomx.xyz

How to determine PHP:BackDoor-BU [Trj]?


File Info:
crc32: 2D9AF4C7md5: 6d78b707a58ed77d82b334b041f057bbname: upload_filesha1: 99495e18b0c4387440bb04f526abd8745c7d4d36sha256: cf4bdff8652e4e5128f1a551c03b2c62ae2fcd6b6471ba34365813893aa9c74esha512: 8214708f175330e5a53419ab5a09abeb25c5a8709bbee2a99e9fb2e7fdced97b7ad991fc83d389d521cc04f9819cd96c5a25e869948b1bfcd052f0b2aafc93a3ssdeep: 1536:FMKmMmBwNuXKLSZPR5YTcy9MQKw3rpI4pSkAl49L9P7gD:FGMCR69Kw324pzJQtype: PHP script, UTF-8 Unicode text, with very long lines, with CRLF line terminators
Version Info:
0: [No Data]

PHP:BackDoor-BU [Trj] also known as:

Bkav	VEX.Webshell
MicroWorld-eScan	Backdoor.PHP.WebShell.BD
Sangfor	Malware
Baidu	PHP.Backdoor.WebShell.y
Avast	PHP:BackDoor-BU [Trj]
Kaspersky	Trojan.PHP.Agent.vf
BitDefender	Backdoor.PHP.WebShell.BD
NANO-Antivirus	Trojan.Script.WebShell.fgjclq
Tencent	Bk.YDWebShell.PHP.BackdoorGen.11100802
Ad-Aware	Backdoor.PHP.WebShell.BD
Comodo	TrojWare.PHP.WebShell.NAH@818kmp
DrWeb	PHP.Shell.26
FireEye	Backdoor.PHP.WebShell.BD
Microsoft	Backdoor:PHP/Webshell.G!MSR
Arcabit	Backdoor.PHP.WebShell.BD
ZoneAlarm	Trojan.PHP.Agent.vf
GData	Backdoor.PHP.WebShell.BD
AhnLab-V3	PHP/Webshell.S5
ALYac	Backdoor.PHP.WebShell.BD
MAX	malware (ai score=84)
ESET-NOD32	PHP/WebShell.NGH
Rising	Backdoor.WebShell-1251/PHP!1.A59F (CLASSIC)
Ikarus	Backdoor.PHP.WebShell
Fortinet	BAT/WebShell.BD!tr
AVG	PHP:BackDoor-BU [Trj]
Qihoo-360	php.script.spyeyes.1