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chromeupdate_tsa1wfvxq.exe

Suzhou Puluosi Info Tech Co., Ltd.

The application chromeupdate_tsa1wfvxq.exe by Suzhou Puluosi Info Tech Co. has been detected as a potentially unwanted program 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. The file has been seen being downloaded from dde.de.saeaserviceabouthome.com.
Publisher:
Suzhou Puluosi Info Tech Co., Ltd.  (signed and verified)

MD5:
1665565103d478660e4951933d8dfd4e

SHA-1:
3cafa2c9001de9a8f647932c0180438f0dc00332

SHA-256:
d098afa4e682de4d60b4f2b5e4ecc3fe67e28d0832ac2693b9756cc25e7f8d55

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
11/25/2024 12:59:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.JiangsuCN (M)
16.7.27.5

File size:
806.5 KB (825,904 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\chromeupdate_tsa1wfvxq.exe

Digital Signature
Signed by:
Suzhou Puluosi Info Tech Co., Ltd.

Authority:
WoSign CA Limited

Valid from:
12/11/2014 10:40:41 AM

Valid to:
12/11/2015 10:40:41 AM

Subject:
CN="Suzhou Puluosi Info Tech Co., Ltd.", O="Suzhou Puluosi Info Tech Co., Ltd.", L=Suzhou, S=Jiangsu, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
1684E2745B76062361689E5BC4E611CB

File PE Metadata
Compilation timestamp:
2/24/2012 9:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:o+B9xFYaSAJsfGDIJukeA1hqXzJu5VkeJuUl+AjQP:RB9TY2Jen9eA1EX0vuUZs

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.8156

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file chromeupdate_tsa1wfvxq.exe has been seen being distributed by the following URL.

http://dde.de.saeaserviceabouthome.com/90/978/ct9783290/6769e4cc26c94987840673c7dabceeda/Downloads/Prod/DDE1.4.0.5.141225.03/.../ChromeUpdate.exe

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