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Spring Climb.exe Trojan Downloader Analysis

Updated 14 days ago
Checked by Malware Check
Spring Climb.exe

Technical Analysis

File Name Spring Climb.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.231.174
Database Version 2025-12-26 10:00:38 UTC
⚠

Trojan.Win32.Downloader.oa!s1

Malware family: Downloader

Downloader Trojans specialize in retrieving and installing additional malware payloads. Unlike comprehensive malware, they focus specifically on payload delivery rather than direct system damage.
N/A
Detection Rate
19,971,338
File Size (bytes)
2025-12-26
Analysis Date

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File Identification

Hash Type Value Action
MD5
f83a00174293ab9f8d461f1e26f9cf21
SHA1
4952358a4b1925da198e912318ae3b73ae22a376
SHA256
78e358b3955eb9426da553380a4159ad2d59cd71a15736941fda1dfb0975d7ea
SHA512
ea9a65403d8787642231793ad78d480a61fe09df7da835e7f8cd88cd889087cc2675adc75f7c896fd5fba5c488f6403e75fcea24c8fd33c18f18e837cd0c1513
ImpHash
f67c2d48a0d9fae633478c7ae08a5655

PE Analysis

Basic Information

▼
Icon
Hash: 794f25af12c68dc6b13cf9a03548cd37
Fuzzy: cd5b19d405ff797fe359d3e526c057f1
dHash: d06dcc17c6ece8f0
Image Base 0x00400000
Entry Point 0x00463713
Compilation Time 2023-01-04 17:47:34
Checksum 0x00000000 (Actual: 0x013174ad)
OS Version 5.1
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 7 libraries
COMCTL32, WINMM, KERNEL32, USER32, GDI32, COMDLG32, SHELL32
Exports 2 functions
Resources 12 Resources
Sections 5 Sections

Version Information

▼
CompanyName
FileDescription
FileVersion
LegalCopyright
Translation 0x0400 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 541,171 bytes 541,184 bytes 6.60 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ E467D5BEEEC0315B0B116DEA2582DC9F
.rdata 0x00086000 108,482 bytes 108,544 bytes 6.05 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ AF4D66136E48C2B66EE70DE429FC9DF1
.data 0x000a1000 10,236 bytes 6,656 bytes 3.99 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 72432E11987E452959E244AC3397D7AD
.rsrc 0x000a4000 296,176 bytes 296,448 bytes 3.85 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 9FFB5BE775DE40B2782DD90D4F0DE81F
.reloc 0x000ed000 26,000 bytes 26,112 bytes 6.72 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ BD27598504291E4BC9856A2B04F2F91E
Entropy Analysis Alert

2 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

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Total Resources: 12 (295,440 bytes)
Resource Type Count Total Size Percentage
RT_ICON 7 292,760 bytes
99.1%
RT_STRING 1 860 bytes
0.3%
RT_RCDATA 1 20 bytes
0%
RT_GROUP_ICON 1 104 bytes
0%
RT_VERSION 1 360 bytes
0.1%
RT_MANIFEST 1 1,336 bytes
0.5%

Certificate Chain Analysis

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No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win32.Downloader.oa!s1 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Downloader.oa!s1 without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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