prezi-setup.exe

DownloadShield

The application prezi-setup.exe by DownloadShield 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from www.downloadspring.com.
Publisher:
DownloadShield  (signed and verified)

MD5:
75dc70075e2d9947d48929df383ccbba

SHA-1:
465a6b905077a3af32c07de764e64ee97b4d5735

SHA-256:
b9b41ff8075426fd64952ee76f95fc629bca909e13baef5482fbd03a36f1591c

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.

Analysis date:
4/19/2024 11:36:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Download.Installer (M)
16.6.26.2

File size:
311.6 KB (319,088 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\prezi-setup.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/21/2015 4:00:00 PM

Valid to:
3/21/2019 4:59:59 PM

Subject:
CN=DownloadShield, O=DownloadShield, L=San Jose, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
78070F8D972292519C0C15749BCB3808

File PE Metadata
Compilation timestamp:
8/3/2015 7:43:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:X0hNLD7BzUxW0pA+U+hUMMBbRZsFiv6BtgZHbGYXwj5484rLW:kqW0LVUMMBbRZssG2ZyYXU4f

Entry address:
0x31FD

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 57, 33, DB, 68, 01, 80, 00, 00, 89, 5C, 24, 1C, C7, 44, 24, 14, F0, 73, 40, 00, 33, F6, C6, 44, 24, 18, 20, FF, 15, B4, 70, 40, 00, FF, 15, B0, 70, 40, 00, 66, 83, F8, 06, 74, 11, 53, E8, F3, 26, 00, 00, 3B, C3, 74, 07, 68, 00, 0C, 00, 00, FF, D0, 68, E8, 73, 40, 00, E8, 74, 26, 00, 00, 68, E0, 73, 40, 00, E8, 6A, 26, 00, 00, 68, D4, 73, 40, 00, E8, 60, 26, 00, 00, 6A, 0D, E8, C3, 26, 00, 00, 6A, 0B, E8, BC, 26, 00, 00, A3, 00, 3C, 42, 00, FF, 15, 34, 70, 40, 00, 53, FF...
 
[+]

Entropy:
7.3181

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file prezi-setup.exe has been seen being distributed by the following URL.

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