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bdupdate.exe

The application bdupdate.exe has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘bdupdate’. The file has been seen being downloaded from di2ci.vicp.net.
MD5:
7ae337e567cd3a90427ac262fbba78f2

SHA-1:
9c8734aa041066d76c6d1d5a2346a0230b2f2bbc

SHA-256:
66d1e2e881cdb5b4e4ef090c69a4d9b28cdeae07cbac4bbdb0f8bbf5c22d7435

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
1/13/2025 7:34:46 AM UTC  (today)

Scan engine
Detection
Engine version

NANO AntiVirus
Trojan.Win32.Rogue.ctojyu
0.28.0.58720

Norman
Malware
11.20140325

Reason Heuristics
PUP.BDUpdate (M)
16.8.26.1

File size:
1.2 MB (1,227,119 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\tools\bdupdate.exe

File PE Metadata
Compilation timestamp:
4/10/2010 8:19:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:xmJshw9PZFezuKqBoaYAP5ZeVy/0cLVviZf9iwz86bX5fK3CuW:xPQHeVnsVvmd9AtW

Entry address:
0x354B

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.9844

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
bdupdate

Command:
C:\Program Files\tools\bdupdate.exe \rsc


The file bdupdate.exe has been seen being distributed by the following URL.

http://di2ci.vicp.net/.../QvodSetup.exe

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