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setup_2131f8.exe

The application setup_2131f8.exe has been detected as a potentially unwanted program by 6 anti-malware scanners. The file has been seen being downloaded from d24u51ac8ybaqu.cloudfront.net.
MD5:
40a0438de0b9b4eace886c3d1042f75b

SHA-1:
51e4a53f7aac9d9660268b0c4313c0039e29ec97

SHA-256:
961355fa06cda98dc41fcf54ed990d92cd52bf5640b9b3ed7d67ce90926b1e81

Scanner detections:
6 / 68

Status:
Potentially unwanted

Explanation:
May modify the web browser's settings including changing the homepage and search provider in addition to delivering ads (by injecting banner and text-links directly in the webpage).

Analysis date:
12/23/2024 11:40:51 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Mikey.27512
5813571

Emsisoft Anti-Malware
Gen:Variant.Mikey.27512
16.01.12

ESET NOD32
Win32/Toolbar.CrossRider.DF potentially unwanted application
7.0.302.0

Kaspersky
Trojan-Downloader.Win32.Agent
15.0.0.562

Microsoft Security Essentials
Threat.Undefined
1.213.2452.0

Norman
Gen:Variant.Mikey.27512
11.01.2016 17:30:26

File size:
10 KB (10,240 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\setup_2131f8.exe

File PE Metadata
Compilation timestamp:
11/8/2015 5:52:39 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
192:gctE3FmDMdg7PI6jCZlPXGUWBCZLQCDopLr8Bs6AZt:gLdgrI6jywyc9pLreAZt

Entry address:
0x1000

Entry point:
6A, 70, 68, 58, 23, 40, 00, E8, F8, 01, 00, 00, 33, DB, 89, 5D, FC, 8D, 45, 80, 50, FF, 15, 00, 20, 40, 00, 83, CF, FF, 89, 7D, FC, 66, 81, 3D, 00, 00, 40, 00, 4D, 5A, 75, 28, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, 17, 0F, B7, 88, 18, 00, 40, 00, 81, F9, 0B, 01, 00, 00, 74, 20, 81, F9, 0B, 02, 00, 00, 74, 05, 89, 5D, E4, EB, 2A, 83, B8, 84, 00, 40, 00, 0E, 76, F2, 33, C9, 39, 98, F8, 00, 40, 00, EB, 11, 83, B8, 74, 00, 40, 00, 0E, 76, DF, 33, C9, 39, 98, E8, 00, 40, 00, 0F, 95, C1...
 
[+]

Entropy:
5.0468

Developed / compiled with:
Microsoft Visual C++ v7.1

Code size:
3 KB (3,072 bytes)

The file setup_2131f8.exe has been seen being distributed by the following URL.

https://d24u51ac8ybaqu.cloudfront.net/.../setup_2131f8.exe

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