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adobe-reader.exe

The application adobe-reader.exe has been detected as a potentially unwanted program by 13 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 setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from dl1.app2desktop.com and multiple other hosts.
MD5:
bd39b49a276cd5fe5131ea3f0832f676

SHA-1:
00f265ba35f3546a99f35ec65b45c0bdc648f2d8

SHA-256:
5513793ad64694a74afee0dec20fde16065d10ae355ab257eca0cfd83d49eb0e

Scanner detections:
13 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
12/25/2024 3:45:18 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.07.20

Clam AntiVirus
Win.Adware.Outbrowse-2
0.98/19185

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/OutBrowse.J potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
7/19/2014

IKARUS anti.virus
AdWare.Downware
t3scan.1.6.1.0

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.494

McAfee
Adware-OutBrowse
5600.7064

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.2.60881

Trend Micro House Call
TROJ_GEN.R0CBC0PEO14
7.2.200

Trend Micro
TROJ_GEN.R0CBC0PEO14
10.465.19

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

File size:
101.9 KB (104,318 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\adobe-reader.exe

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:EgXdZt9P6D3XJmCIt5Ky/9XO3jR0eWSzUu/0Wi:Ee34VItUQ9OzRgW/cR

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.6684

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file adobe-reader.exe has been seen being distributed by the following 2 URLs.

http://dl1.app2desktop.com/.../Get?p=1955&d=2044&l=1966&n=1&productname=Adobe&d1=9&d2=1&d3=1&d4=12&d5=00000000&filename=Adobe-Reader

http://downloader2.downloadinfo.co/download.php?id=8f022f30d27c45cef9fbfd61432fee2f1c84063f&z=8&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW44IiwiYiI6ImNoMzIiLCJ1X2lkIjoiZGlfNTJlZmVhNzk2MGZmYTAuMDAyMDYxMDYiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzkxNDU0ODQxLCJrdyI6ImFkb2JlcmVhZGVyIiwiY3UiOiJhZG9iZXJlYWRlciIsImNhIjpudWxsfQ==

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