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adobe-reader.exe

The application adobe-reader.exe has been detected as a potentially unwanted program by 14 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 download.windownload.net.
MD5:
6847a8e1f1204e7b7dadd5edbda639d1

SHA-1:
2985c04d4f033c6fd9ec802243aa12567eca6419

SHA-256:
b9bd9c35bd67052054ff56184ed654948781b8deda119e67c799918caf9e15a9

Scanner detections:
14 / 68

Status:
Potentially unwanted

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

Analysis date:
4/26/2024 11:31:25 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.08.13

Avira AntiVirus
PUA/Outbrowse.Gen
8.3.1.6

avast!
PUP-gen [PUP]
150810-3

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/OutBrowse.L potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
8/13/2015

F-Prot
W32/Outbrowse.B.gen
v6.4.7.1.166

G Data
Win32.Application.OutBrowse
15.8.25

herdProtect (fuzzy)
variant of setup.exe (Adware)
2015.9.24.19

McAfee
Program.Adware-OutBrowse
18.0.204.0

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.30.24.3079

Total Defense
Win32/Tnega.EKIKMED
37.1.62.1

VIPRE Antivirus
Threat.4823950
42326

File size:
101.9 KB (104,396 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:agXdZt9P6D3XJWCa5Ky/9XO3jR0eWSzUu/0WO:ae34FaUQ9OzRgW/c1

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:
7.6686

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 URL.

http://download.windownload.net/download.php?id=52dd05a08357a1b3159b6f7e788895916ee8aa37&z=8&p=eyJweSI6IndkIiwicnMiOiJnIiwicnQiOiJzIiwiYyI6InVzIiwibyI6IndpbjciLCJiIjoiY2gzMyIsInVfaWQiOiJ3ZF81MzIzMmEwZjU0OWYxOC43MDAzMTY5OS4zZWFiZWI0MDIyMzJiNDNhMGQ0ZDdjM2M4NDA2ZWI0YSIsInBhX2lkIjoiOCIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wOTE0NSIsInRzIjoxMzk0ODEzNDU1LCJrdyI6ImFkb2JlIHBkZiByZWFkZXIiLCJjdSI6IiIsImNhIjpudWxsfQ

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