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aff_setup2.exe

The application aff_setup2.exe has been detected as a potentially unwanted program by 16 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. The file has been seen being downloaded from cdn.backupgrid.net and multiple other hosts.
MD5:
d498fdcef62a36fae6a148b5f82a0b4e

SHA-1:
458a00481df84fcd8b72302d799661c5e10d5857

SHA-256:
f4ed4152d0f39084ac03f001b15aa6879a99d75c48b96490e0a732d7cb15f1d6

Scanner detections:
16 / 68

Status:
Potentially unwanted

Analysis date:
11/5/2024 8:23:35 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Dldr.Megone.170105.1
8.3.1.6

avast!
Win32:Dropper-gen [Drp]
2014.9-150522

Baidu Antivirus
Adware.Win32.Genome
4.0.3.15522

K7 AntiVirus
Riskware
13.203.15680

Kaspersky
Trojan-Downloader.Win32.Genome
15.0.0.543

McAfee
Trojan.Artemis!D498FDCEF62A
16.8.708.2

Norman
Suspicious_Gen4.IHOCB
11.20150522

Panda Antivirus
Trj/CI.A
15.05.22.03

Qihoo 360 Security
Win32/Trojan.Downloader.b94
1.0.0.1015

Quick Heal
TrojanDownloader.gen.r5
5.15.14.00

Sophos
Mal/Generic-S
4.98

Trend Micro House Call
Suspicious_GEN.F47V0422
7.2.118

Trend Micro
TROJ_GEN.R0EBC0OE515
10.465.22

VIPRE Antivirus
Trojan.Win32.Generic
40456

ViRobot
Trojan.Win32.A.Downloader.170105[h]
2014.3.20.0

Zillya! Antivirus
Downloader.Genome.Win32.55202
2.0.0.2187

File size:
166.1 KB (170,105 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\yiibtrvdie\aff_setup2.exe

File PE Metadata
Compilation timestamp:
12/5/2009 2:53:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:CstajHKBvYXJLdUYRD66Ybm1FhGMwEljNqTgxRWdKYqgBgETX5ILkueigKoq97C:CTq+rUaD6ry1FhGMwI5qgnYvgETX5gx0

Entry address:
0x36A0

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 88, A7, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 53, FF, 15, 88, 82, 40, 00, 6A, 08, A3, B8, 63, 42, 00, E8, EE, 2E, 00, 00, A3, 04, 63, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, B0, 0C, 42, 00, FF, 15, 58, 81, 40, 00, 68, 10, A8, 40, 00, 68, 00, 5B, 42, 00, E8, F4, 29, 00, 00, FF, 15, B0, 80, 40, 00, BF, 00, C0, 42, 00, 50, 57, E8, E2, 29, 00, 00...
 
[+]

Entropy:
7.6296

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file aff_setup2.exe has been seen being distributed by the following 3 URLs.

http://cdn.backupgrid.net/aff_setup.exe

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

http://cdn2.chironexfleckerisilver.com/downloads/offers/.../aff_setup2.exe

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