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pdfreadersetup.exe

The application pdfreadersetup.exe has been detected as a potentially unwanted program by 16 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.pdfreaderapps.com.
MD5:
b4a7145a5e5ae8fc9414b3bfbfaa9e15

SHA-1:
4efe6694857ac09e0ceadc76cac99080717d1e7f

SHA-256:
9ec33ecff769dcd4c60faed2f4549d64a48b9b2575e0419691fd0fa94f0a4aaa

Scanner detections:
16 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/19/2024 11:21:09 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.133.40

Bkav FE
HW32.Laneul
1.3.0.4924

Comodo Security
ApplicUnwnt
17826

Dr.Web
Trojan.Packed.24524
9.0.1.0220

ESET NOD32
Win32/InstallCore.BQ (variant)
10.9456

F-Prot
W32/InstallCore.R.gen
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.176.11239

Malwarebytes
PUP.Optional.InstallCore.A
v2016.08.07.10

Reason Heuristics
PUP.InstallCore.ENG (M)
16.8.7.22

Rising Antivirus
PE:Malware.InstallCore!6.4
23.00.65.16805

Sophos
Install Core Click run software
4.97

Trend Micro House Call
TROJ_GEN.F47V1002
7.2.220

Trend Micro
TROJ_GEN.R0CBC0OJE13
10.465.07

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
InstallCore
26726

File size:
665.6 KB (681,528 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\pdfreadersetup.exe

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:jKLo4DMJfsLF1SHaKOu9MLuHeTvdpwclmZxOf/NnsypOMN6sKmAnkUeVpp/7LAWI:GMJfs5lqETjdlmZxOqy8c6POUeXpQWkN

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

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

http://www.pdfreaderapps.com/default/ga/.../?dl=1

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