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sjeldobl.exe

angry-birds

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application sjeldobl.exe by Download Assistant has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the AirInstaller Download Manager installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from download.download-405.com.
Publisher:
Download Assistant  (signed and verified)

Product:
angry-birds

Version:
3.0.0.132

MD5:
621c69fe0fd22579aba3396fce5570f5

SHA-1:
df50d451b8abefe1e462bc2cc7654b71b23e077f

SHA-256:
347e6a263f340ed6af3f86c7710aa2b4e28211c9129abcd73cbba1fd177f785e

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/5/2024 1:06:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
16.2.3.11

File size:
1.1 MB (1,131,136 bytes)

Product version:
3.0.0.132

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

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

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
10/26/2015 5:30:00 AM

Valid to:
10/26/2016 5:29:59 AM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
2A1D11E01BC0F867CA2D021506280DBF

File PE Metadata
Compilation timestamp:
1/30/2013 7:51:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:mxGv0v+n7MVORp2QleXEWU8Hv2Sen7WJgFlQ2Tag9NHBp/QrBO:r82n7nR5lW7Hvgn7WJOagFpIrBO

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9576

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://download.download-405.com/v2/click/o0rkkjbx/?affiliate_image=http://download-405.com/presentation/assets/Static205/.../icon.png&d=http://toolboox.com/bin/angry-birds.exe&filename=angry-birds&key=e9512c8d6348e0d81090bd3ae8e5c1213b20365968555ab1267c7e51a146090f&n=angry-birds&product_image=http://download-405.com/presentation/assets/Static205/.../installer.png&sid=8681&uid=8681&uao=TW96aWxsYS81LjAgKFdpbmRvd3MgTlQgNi4yOyBXT1c2NCkgQXBwbGVXZWJLaXQvNTM3LjEgKEtIVE1MLCBsaWtlIEdlY2tvKSBDaHJvbWUvMjEuMC4xMTYzLjAgU2FmYXJpLzUzNy4x&scid=c695d658-92a0-11e5-88cf-0401718cbf01

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