amazonkindlesetup-3232884-vffsb.exe

The application amazonkindlesetup-3232884-vffsb.exe has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the installCore 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 file.org.
MD5:
d39f899303b764db3d98104d68beedf5

SHA-1:
577498f19c5333aa998aa082848f231b32ccc62e

SHA-256:
2c08adf6b5ee5781c2e0cfac245f39fa780299bd7792610a0615d0b6304716d3

Scanner detections:
7 / 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.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 7:03:18 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
160109-1

Dr.Web
Trojan.MulDrop5.13325
9.0.1.05190

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
7.0.302.0

F-Prot
W32/InstallCore.R.gen
4.6.5.141

Reason Heuristics
PUP.InstallCore.Bundler (M)
16.1.13.16

Sophos
PUA 'Install Core'
5.22

VIPRE Antivirus
Threat.4788237
46396

File size:
599 KB (613,376 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\amazonkindlesetup-3232884-vffsb.exe

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:ekOyMJfsG0eRPEDqub+Fq6Xr4IvZoxXD50YOSOeG2c3V6fY3c8oO6EkymN:XOyMJfs9e1EDqIv6XthoJ5VJM/3V33cZ

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...
 
[+]

Entropy:
7.8724

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

Code size:
36 KB (36,864 bytes)

The file amazonkindlesetup-3232884-vffsb.exe has been seen being distributed by the following URL.

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