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aff_setup.exe

The application aff_setup.exe has been detected as a potentially unwanted program by 5 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. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent. The file has been seen being downloaded from random.backupcdn.com.
MD5:
f7b2854db8c8389f63713cd795aab8ac

SHA-1:
de81e3c4c3fa2b0edaf7aa8e9d8ebe520e67d85e

SHA-256:
b920cc1cc9ea1b1e0201e09ded1292f77b8a3db0a22395dc33b4598f3a9d8487

Scanner detections:
5 / 68

Status:
Potentially unwanted

Explanation:
May bundle additional potentially unwanted software such as adware during setup.

Analysis date:
12/25/2024 11:52:17 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
PUA.Win32.MyPCBackup
4.0.3.15718

ESET NOD32
Win32/MyPCBackup.E potentially unwanted application
7.0.302.0

NANO AntiVirus
Riskware.Nsis.Unwanted.dshbdc
0.30.24.2487

SUPERAntiSpyware
PUP.BundleInstaller
9745

VIPRE Antivirus
Threat.4150696
41608

File size:
162.5 KB (166,419 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\nsw1c0.tmp\aff_setup.exe

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:AQIURTXJ4i45JV1Q1SZEuWpCESQ+6AqWcqYwynh3zMtzgAu2jd:AsGi6kuEuWp5SjMqtyeZgbgd

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://random.backupcdn.com/aff_setup.exe

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