bluestacks-splitinstaller_native_downloader-dex6z4dh.exe

Somoto Israel

This is the Somoto BetterInstaller, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application bluestacks-splitinstaller_native_downloader-dex6z4dh.exe by Somoto Israel 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 Somoto BetterInstaller installer. The file has been seen being downloaded from goo.gl.
Publisher:
Somoto Israel  (signed and verified)

MD5:
58286917b8f4c976a7341a55223e5891

SHA-1:
98b7815e72d5c62da6e246bfeb4e1db1ec139136

SHA-256:
5780ff1e9e6a4f39ebe1e2210701a1f06738fb62c72b64a6b3c1fb610ffd4417

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
8/21/2019 9:10:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto (M)
16.8.6.23

File size:
222.5 KB (227,800 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\downloads\bluestacks-splitinstaller_native_downloader-dex6z4dh.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
7/8/2013 5:30:00 AM

Valid to:
7/9/2018 5:29:59 AM

Subject:
CN=Somoto Israel, O=Somoto Israel, STREET=Habarzel 32, L=Tel Aviv, S=--, PostalCode=69700, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
74F2E607D2905C0E3EA9C8AB59942D25

File PE Metadata
Compilation timestamp:
12/17/2010 2:44:15 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
3072:ZhizgwyT3BJQ0ofOvMY0B/UkoLJjMV0mKPXnFwAR9KXUB2Uz1Tpj+eeUXXwgW5PR:zJ380o9Y0ZqAh4R9KCz5XAgAPR

Entry address:
0x380C

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 87, 4D, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 2A, 4A, 00, 00, 6A, 00, E8, 9B, 4D, 00, 00, 6A, 08, A3, 28, F9, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, D8, F9, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, 4C, A2, 40, 00, E8, E0, 4C, 00, 00, 83, EC, 0C, 68, 4D, A2, 40, 00, 68, 08, FA, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, E6, 49, 00, 00, 52, 52, 50, 68, 00, 80, 43, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 29, 49, 00, 00, 83...
 
[+]

Entropy:
7.7491  (probably packed)

Code size:
30 KB (30,720 bytes)

The file bluestacks-splitinstaller_native_downloader-dex6z4dh.exe has been seen being distributed by the following URL.