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chromeupdate_tsv54f1ea.exe

Suzhou Puluosi Info Tech Co., Ltd.

The application chromeupdate_tsv54f1ea.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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from dde.de.saeaserviceabouthome.com.
Publisher:
Suzhou Puluosi Info Tech Co., Ltd.  (signed and verified)

MD5:
6fe64c8be05c68678da4cfa46ae73769

SHA-1:
910d0d828f8693cf3cb1e5584c8aed992ccfa010

SHA-256:
3021b89bc72715d6fa10dcbe468fc78681bab1f8554489ba9878e1292b4cb6f6

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 12:47:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.JiangsuCN.SuzhouPu.Installer (M)
16.4.1.4

File size:
806.6 KB (825,920 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\chromeupdate_tsv54f1ea.exe

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

Authority:
WoSign CA Limited

Valid from:
12/11/2014 4:40:41 AM

Valid to:
12/11/2015 4:40:41 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 3:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:K+B9xG/ekvrHzXdjLPbkj6+7m1uiINvo2:rB9Q/e0TXRfk2+7iuiIN

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:
7.8164

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file chromeupdate_tsv54f1ea.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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